Remove unused methods in FIROptions (#10712)

Author: charlotteliang

FirebaseCore/Extension/FIROptionsInternal.h

@@ -97,16 +97,6 @@ extern NSString *const kServiceInfoFileType;
  */
 @property(nonatomic, readonly) BOOL isMeasurementEnabled;
 
-/**
- * Whether or not Analytics was enabled in the developer console.
- */
-@property(nonatomic, readonly) BOOL isAnalyticsEnabled;
-
-/**
- * Whether or not SignIn was enabled in the developer console.
- */
-@property(nonatomic, readonly) BOOL isSignInEnabled;
-
 /**
  * Whether or not editing is locked. This should occur after `FirebaseOptions` has been set on a
  * `FirebaseApp`.

FirebaseCore/Sources/FIROptions.m

@@ -36,9 +36,6 @@
 NSString *const kFIRIsAnalyticsCollectionEnabled = @"FIREBASE_ANALYTICS_COLLECTION_ENABLED";
 NSString *const kFIRIsAnalyticsCollectionDeactivated = @"FIREBASE_ANALYTICS_COLLECTION_DEACTIVATED";
 
-NSString *const kFIRIsAnalyticsEnabled = @"IS_ANALYTICS_ENABLED";
-NSString *const kFIRIsSignInEnabled = @"IS_SIGNIN_ENABLED";
-
 // Library version ID formatted like:
 // @"5"     // Major version (one or more digits)
 // @"04"    // Minor version (exactly 2 digits)
@@ -487,12 +484,4 @@ - (BOOL)isAnalyticsCollectionDeactivated {
   return [value boolValue];
 }
 
-- (BOOL)isAnalyticsEnabled {
-  return [self.optionsDictionary[kFIRIsAnalyticsEnabled] boolValue];
-}
-
-- (BOOL)isSignInEnabled {
-  return [self.optionsDictionary[kFIRIsSignInEnabled] boolValue];
-}
-
 @end