Cleanup GTM dependency from Firebase performance since we don't need log filters anymore (#7230)

Author: visumickey

FirebasePerformance.podspec

@@ -60,8 +60,6 @@ Firebase Performance library to measure performance of Mobile and Web Apps.
   s.dependency 'FirebaseInstallations', '~> 7.0'
   s.dependency 'FirebaseRemoteConfig', '~> 7.0'
   s.dependency 'GoogleDataTransport', '~> 8.2'
-  s.dependency 'GTMSessionFetcher/Core', '~> 1.1'
-  s.dependency 'GoogleToolboxForMac/Logger', '~> 2.1'
   s.dependency 'GoogleUtilities/Environment', '~> 7.0'
   s.dependency 'GoogleUtilities/ISASwizzler', '~> 7.0'
   s.dependency 'GoogleUtilities/MethodSwizzler', '~> 7.0'

FirebasePerformance/CHANGELOG.md

@@ -1,3 +1,7 @@
+# Version 7.4.0
+* Make FirebasePerformance open source.
+* Remove GoogleToolboxForMac and GTMSessionFetcher dependencies.
+
 # Version 7.3.0
 * Add blocklist for GoogleDataTransport upload URLs.
 * Update the event transport mechanism to open sourced GoogleDataTransport.

FirebasePerformance/Sources/Common/FPRGTMLogLevelFilter.h

@@ -20,7 +20,6 @@
 #import "FirebasePerformance/Sources/AppActivity/FPRSessionManager+Private.h"
 #import "FirebasePerformance/Sources/AppActivity/FPRTraceBackgroundActivityTracker.h"
 #import "FirebasePerformance/Sources/Common/FPRConstants.h"
-#import "FirebasePerformance/Sources/Common/FPRGTMLogLevelFilter.h"
 #import "FirebasePerformance/Sources/Configurations/FPRConfigurations.h"
 #import "FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags.h"
 #import "FirebasePerformance/Sources/FPRConsoleLogger.h"
@@ -32,8 +31,6 @@
 
 #import "FirebaseCore/Sources/Private/FirebaseCoreInternal.h"
 
-#import <GoogleToolboxForMac/GTMLogger.h>
-
 #import "FirebasePerformance/ProtoSupport/PerfMetric.pbobjc.h"
 
 @interface FPRClient ()
@@ -110,7 +107,6 @@ - (instancetype)init {
     _eventsQueue = dispatch_queue_create("com.google.perf.FPREventsQueue", DISPATCH_QUEUE_SERIAL);
     _eventsQueueGroup = dispatch_group_create();
     _configuration = [FPRConfigurations sharedInstance];
-    [[GTMLogger sharedLogger] setFilter:[[FPRGTMLogLevelFilter alloc] init]];
   }
   return self;
 }