Remove bitcode=NO from add-to-app flows (#39503)

dev/integration_tests/ios_add2app/ios_add2app.xcodeproj/project.pbxproj

@@ -491,7 +491,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				ENABLE_BITCODE = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
@@ -558,7 +557,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				ENABLE_BITCODE = NO;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;

dev/integration_tests/ios_host_app/Host.xcodeproj/project.pbxproj

@@ -220,7 +220,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				ENABLE_BITCODE = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
@@ -280,7 +279,6 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				ENABLE_BITCODE = NO;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;

packages/flutter_tools/templates/module/ios/host_app_editable_cocoapods/Config.tmpl/Flutter.xcconfig

 #include "../../.ios/Flutter/Generated.xcconfig"
-ENABLE_BITCODE=NO

packages/flutter_tools/templates/module/ios/host_app_ephemeral/Config.tmpl/Flutter.xcconfig

 #include "../Flutter/Generated.xcconfig"
-ENABLE_BITCODE=NO

packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.xcodeproj.tmpl/project.pbxproj.tmpl

@@ -307,7 +307,6 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
@@ -436,7 +435,6 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
@@ -460,7 +458,6 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",

packages/flutter_tools/templates/module/ios/host_app_ephemeral_cocoapods/Podfile.copy.tmpl

@@ -8,13 +8,5 @@ target 'Runner' do
   install_flutter_plugin_pods flutter_application_path
 end
 
-post_install do |installer|
-  installer.pods_project.targets.each do |target|
-    target.build_configurations.each do |config|
-      config.build_settings['ENABLE_BITCODE'] = 'NO'
-    end
-  end
-end
-
 # Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
 install! 'cocoapods', :disable_input_output_paths => true