Remove Functions ObjC (#9333)

FirebaseFunctions.podspec

@@ -10,63 +10,45 @@ Cloud Functions for Firebase.
   s.homepage         = 'https://developers.google.com/'
   s.license          = { :type => 'Apache', :file => 'LICENSE' }
   s.authors          = 'Google, Inc.'
+
   s.source           = {
-    :git => 'https://github.com/firebase/firebase-ios-sdk.git',
+    :git => 'https://github.com/Firebase/firebase-ios-sdk.git',
     :tag => 'CocoaPods-' + s.version.to_s
   }
 
-  s.ios.deployment_target = '10.0'
-  s.osx.deployment_target = '10.12'
-  s.tvos.deployment_target = '10.0'
-  s.watchos.deployment_target = '6.0'
+  s.swift_version    = '5.3'
+
+  ios_deployment_target = '10.0'
+  osx_deployment_target = '10.12'
+  tvos_deployment_target = '10.0'
+  watchos_deployment_target = '6.0'
+
+  s.ios.deployment_target = ios_deployment_target
+  s.osx.deployment_target = osx_deployment_target
+  s.tvos.deployment_target = tvos_deployment_target
+  s.watchos.deployment_target = watchos_deployment_target
 
   s.cocoapods_version = '>= 1.4.0'
   s.prefix_header_file = false
 
   s.source_files = [
-    'FirebaseFunctions/Sources/**/*',
-    'FirebaseAuth/Interop/*.h',
-    'FirebaseAppCheck/Interop/*.h',
-    'FirebaseCore/Internal/*.h',
-    'FirebaseMessaging/Interop/FIRMessagingInterop.h',
+    'FirebaseFunctions/Sources/**/*.swift',
   ]
-  s.public_header_files = 'FirebaseFunctions/Sources/Public/FirebaseFunctions/*.h'
 
-  s.dependency 'FirebaseCore', '~> 8.0'
+  s.dependency 'FirebaseCore', '~> 8.12'
+  s.dependency 'FirebaseCoreInternal', '~> 8.12'
+  s.dependency 'FirebaseAppCheckInterop', '~> 8.12'
+  s.dependency 'FirebaseAuthInterop', '~> 8.12'
+  s.dependency 'FirebaseMessagingInterop', '~> 8.12'
+  s.dependency 'FirebaseSharedSwift', '~> 8.12'
   s.dependency 'GTMSessionFetcher/Core', '~> 1.5'
 
-  s.pod_target_xcconfig = {
-    'GCC_C_LANGUAGE_STANDARD' => 'c99',
-    'HEADER_SEARCH_PATHS' => '"${PODS_TARGET_SRCROOT}"'
-  }
-
-  s.test_spec 'unit' do |unit_tests|
-    unit_tests.scheme = { :code_coverage => true }
-    unit_tests.source_files = [
-      'FirebaseFunctions/Tests/Unit/*.[mh]',
-      'FirebaseFunctions/Tests/SwiftUnit/**/*',
-      'SharedTestUtilities/FIRAuthInteropFake*',
-      'SharedTestUtilities/FIRMessagingInteropFake*',
-      'SharedTestUtilities/AppCheckFake/*.[mh]',
-  ]
-  end
-
   s.test_spec 'integration' do |int_tests|
-    int_tests.scheme = { :code_coverage => true }
-    int_tests.source_files = 'FirebaseFunctions/Tests/Integration/*.[mh]',
-                             'SharedTestUtilities/FIRAuthInteropFake*',
-                             'SharedTestUtilities/FIRMessagingInteropFake*'
-  end
-
-  # Using environment variable because of the dependency on the unpublished
-  # FirebaseFunctionsTestingSupport.
-  if ENV['POD_LIB_LINT_ONLY'] && ENV['POD_LIB_LINT_ONLY'] == '1' then
-    s.test_spec 'swift-integration' do |swift_int|
-      swift_int.platforms = {:ios => '15.0', :osx => '12.0', :tvos => '15.0', :watchos => '8.0'}
-      swift_int.scheme = { :code_coverage => true }
-      swift_int.dependency 'FirebaseFunctionsTestingSupport'
-      swift_int.source_files = 'FirebaseFunctions/Tests/SwiftIntegration/*',
-                               'FirebaseTestingSupport/Functions/Sources/*'
-    end
+    int_tests.platforms = {
+      :ios => ios_deployment_target,
+      :osx => osx_deployment_target,
+      :tvos => tvos_deployment_target
+    }
+    int_tests.source_files = 'FirebaseFunctions/Tests/Integration/*.swift'
   end
 end