misc: deprecate private networks service (#1602)

Author: 0marperez

.changes/64cc90c7-4694-4ece-912d-2b90c0c83b1f.json

@@ -0,0 +1,5 @@
+{
+    "id": "64cc90c7-4694-4ece-912d-2b90c0c83b1f",
+    "type": "misc",
+    "description": "Removing private networks service due to deprecation"
+}

codegen/aws-sdk-codegen/src/test/kotlin/aws/sdk/kotlin/codegen/EndpointUrlConfigNamesTest.kt

@@ -1178,11 +1178,6 @@ private const val TEST_SUITE_JSON = """
     "services_section_name": "pricing",
     "service_envvar_name": "AWS_ENDPOINT_URL_PRICING"
   },
-  {
-    "service_id": "PrivateNetworks",
-    "services_section_name": "privatenetworks",
-    "service_envvar_name": "AWS_ENDPOINT_URL_PRIVATENETWORKS"
-  },
   {
     "service_id": "Proton",
     "services_section_name": "proton",
@@ -1865,7 +1860,6 @@ private const val JAVA_CLIENT_NAMES_JSON = """
   "MemoryDB": "MemoryDbClient",
   "Payment Cryptography": "PaymentCryptographyClient",
   "Cognito Identity": "CognitoIdentityClient",
-  "PrivateNetworks": "PrivateNetworksClient",
   "SMS": "SmsClient",
   "OSIS": "OsisClient",
   "Proton": "ProtonClient",