Remote Config: Remove deprecated APIs

[paulb777]

Please remove deprecations in public headers in Firebase 7

~/gh4/firebase-ios-sdk/FirebaseRemoteConfig/Sources/Public/FirebaseRemoteConfig (master) $ git grep -B5 -i deprecat
FIRRemoteConfig.h-/// Indicates the default value in seconds to abandon a pending fetch request made to the backend.
FIRRemoteConfig.h-/// This value is set for outgoing requests as the timeoutIntervalForRequest as well as the
FIRRemoteConfig.h-/// timeoutIntervalForResource on the NSURLSession's configuration.
FIRRemoteConfig.h-@property(nonatomic, assign) NSTimeInterval fetchTimeout;
FIRRemoteConfig.h-/// Indicates whether Developer Mode is enabled.
FIRRemoteConfig.h:@property(nonatomic, readonly) BOOL isDeveloperModeEnabled DEPRECATED_MSG_ATTRIBUTE(
--
FIRRemoteConfig.h-    "details.");
FIRRemoteConfig.h-/// Initializes FIRRemoteConfigSettings, which is used to set properties for custom settings. To
FIRRemoteConfig.h-/// make custom settings take effect, pass the FIRRemoteConfigSettings instance to the
FIRRemoteConfig.h-/// configSettings property of FIRRemoteConfig.
FIRRemoteConfig.h-- (nonnull FIRRemoteConfigSettings *)initWithDeveloperModeEnabled:(BOOL)developerModeEnabled
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("This no longer needs to be set during development. Refer to "
--
FIRRemoteConfig.h-
FIRRemoteConfig.h-/// Applies Fetched Config data to the Active Config, causing updates to the behavior and appearance
FIRRemoteConfig.h-/// of the app to take effect (depending on how config data is used in the app).
FIRRemoteConfig.h-/// @param completionHandler Activate operation callback.
FIRRemoteConfig.h-- (void)activateWithCompletionHandler:(nullable FIRRemoteConfigActivateCompletion)completionHandler
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig activateWithCompletion:] instead.");
FIRRemoteConfig.h-
FIRRemoteConfig.h:/// This method is deprecated. Please use -[FIRRemoteConfig activateWithCompletionHandler:] instead.
FIRRemoteConfig.h-/// Applies Fetched Config data to the Active Config, causing updates to the behavior and appearance
FIRRemoteConfig.h-/// of the app to take effect (depending on how config data is used in the app).
FIRRemoteConfig.h-/// Returns true if there was a Fetched Config, and it was activated.
FIRRemoteConfig.h-/// Returns false if no Fetched Config was found, or the Fetched Config was already activated.
FIRRemoteConfig.h:- (BOOL)activateFetched DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig activate] instead.");
--
FIRRemoteConfig.h-/// Gets the config value of a given namespace.
FIRRemoteConfig.h-/// @param key              Config key.
FIRRemoteConfig.h-/// @param aNamespace       Config results under a given namespace.
FIRRemoteConfig.h-- (nonnull FIRRemoteConfigValue *)configValueForKey:(nullable NSString *)key
FIRRemoteConfig.h-                                          namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig configValueForKey:] instead.");
--
FIRRemoteConfig.h-/// @param aNamespace       Config results under a given namespace.
FIRRemoteConfig.h-/// @param source           Config value source.
FIRRemoteConfig.h-- (nonnull FIRRemoteConfigValue *)configValueForKey:(nullable NSString *)key
FIRRemoteConfig.h-                                          namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h-                                             source:(FIRRemoteConfigSource)source
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig configValueForKey:source:] instead.");
--
FIRRemoteConfig.h-/// @param source           The config data source.
FIRRemoteConfig.h-/// @param aNamespace       The config data namespace.
FIRRemoteConfig.h-/// @return                 An array of keys under the given source and namespace.
FIRRemoteConfig.h-- (nonnull NSArray<NSString *> *)allKeysFromSource:(FIRRemoteConfigSource)source
FIRRemoteConfig.h-                                         namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig allKeysFromSource:] instead.");
--
FIRRemoteConfig.h-/// @param aNamespace       The namespace in which to look up the keys. If the namespace is invalid,
FIRRemoteConfig.h-///                         returns an empty set.
FIRRemoteConfig.h-/// @return                 The set of parameter keys that start with the specified prefix.
FIRRemoteConfig.h-- (nonnull NSSet<NSString *> *)keysWithPrefix:(nullable NSString *)prefix
FIRRemoteConfig.h-                                    namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig keysWithPrefix:] instead.");
--
FIRRemoteConfig.h-///
FIRRemoteConfig.h-/// @param defaults         A dictionary mapping a NSString * key to a NSObject * value.
FIRRemoteConfig.h-/// @param aNamespace       Config under a given namespace.
FIRRemoteConfig.h-- (void)setDefaults:(nullable NSDictionary<NSString *, NSObject *> *)defaults
FIRRemoteConfig.h-          namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig setDefaults:] instead.");
--
FIRRemoteConfig.h-///                 [[FIRRemoteConfig remoteConfig] setDefaultsFromPlistFileName:@"defaultSamples"];
FIRRemoteConfig.h-/// @param aNamespace The namespace where the default config is set.
FIRRemoteConfig.h-- (void)setDefaultsFromPlistFileName:(nullable NSString *)fileName
FIRRemoteConfig.h-                           namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h-    NS_SWIFT_NAME(setDefaults(fromPlist:namespace:))
FIRRemoteConfig.h:        DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig setDefaultsFromPlistFileName:] instead.");
--
FIRRemoteConfig.h-/// @param aNamespace       The namespace of default config.
FIRRemoteConfig.h-/// @return                 Returns the default value of the specified key and namespace. Returns
FIRRemoteConfig.h-///                         nil if the key or namespace doesn't exist in the default config.
FIRRemoteConfig.h-- (nullable FIRRemoteConfigValue *)defaultValueForKey:(nullable NSString *)key
FIRRemoteConfig.h-                                            namespace:(nullable NSString *)aNamespace
FIRRemoteConfig.h:    DEPRECATED_MSG_ATTRIBUTE("Use -[FIRRemoteConfig defaultValueForKey:] instead.");