Remove collection prefix from cache

Author: drew-gross

src/Controllers/DatabaseController.js

@@ -374,7 +374,7 @@ DatabaseController.prototype.mongoFind = function(className, query, options = {}
     .then(collection => collection.find(query, options));
 };
 
-// Deletes everything in the database matching the current collectionPrefix
+// Deletes everything in the database that belongs to the current app
 // Won't delete collections in the system namespace
 // Returns a promise.
 DatabaseController.prototype.deleteEverything = function() {

src/ParseServer.js

@@ -53,8 +53,6 @@ addParseCloud();
 
 // ParseServer works like a constructor of an express app.
 // The args that we understand are:
-// "databaseAdapter": a class like DatabaseController providing create, find,
-//                    update, and delete
 // "filesAdapter": a class like GridStoreAdapter providing create, get,
 //                 and delete
 // "loggerAdapter": a class like FileLoggerAdapter providing info, error,
@@ -168,7 +166,6 @@ class ParseServer {
     cache.apps.set(appId, {
       masterKey: masterKey,
       serverURL: serverURL,
-      collectionPrefix: collectionPrefix,
       clientKey: clientKey,
       javascriptKey: javascriptKey,
       dotNetKey: dotNetKey,