Remove universal build of Qt for iOS

Now that we have individual builds for device, and arm64 and x86_64
simulator, as a workaround for lacking xcframework support.

Pick-to: 6.12
Change-Id: Ifff43080b32bcab80e5cbf54f9b23ecd443480a6
Reviewed-by: Alexandru Croitor <[email protected]>

coin/platform_configs/cmake_platforms.yaml

@@ -366,19 +366,6 @@ Configurations:
         'VCPKG_HOST_TRIPLET=x64-linux-qt',
         'VCPKG_TARGET_TRIPLET=x64-linux-qt',
     ]
--
-    Id: 'ios-universal'
-    Template: 'qtci-macos-26-arm-105'
-    Target os: 'IOS_ANY'
-    Target arch: 'arm64'
-    Compiler: 'Clang'
-    Target compiler: 'Clang'
-    Platform dependency: 'macos-universal-on-arm64'
-    Features: ['Packaging', 'Sccache', 'DebugAndRelease', 'DisableTests', 'UseConfigure', 'WarningsAreErrors', 'GenerateSBOM', 'VerifySBOM']
-    Environment variables: [
-        'TARGET_CONFIGURE_ARGS=-debug-and-release -nomake examples -platform macx-ios-clang',
-        'NON_QTBASE_TARGET_CMAKE_ARGS= -DQT_PROTOBUF_WELL_KNOWN_TYPES_PROTO_DIR=/usr/local/include -DFFMPEG_DIR={{.Env.FFMPEG_DIR_IOS}} -DQT_DEPLOY_FFMPEG=TRUE',
-    ]
 -
     Id: 'ios-device'
     Template: 'qtci-macos-26-arm-105'

coin/platform_configs/nightly_ios_test.yaml

@@ -2,7 +2,7 @@ Version: 2
 Module only: True
 Include: [
   cmake_platforms.yaml: [
-    "ios-universal"
+    "ios-arm64-simulator"
   ]
 ]
 Configurations:
@@ -12,7 +12,7 @@ Configurations:
     Compiler: 'Clang'
     Target os: 'IOS_ANY'
     Target arch: 'arm64'
-    Platform dependency: 'ios-universal'
+    Platform dependency: 'ios-arm64-simulator'
     Features: ['TestOnly', 'Insignificant', 'DoNotAbortTestingOnFirstFailure']
     Environment variables: [
         'APPLE_SIMULATOR_DEVICE_TYPE=com.apple.CoreSimulator.SimDeviceType.iPad-Pro-13-inch-M4-8GB',

coin/platform_configs/precheck.yaml

@@ -7,7 +7,7 @@ Include: [
     "ubuntu-22.04-developer-build-x11-tests",
     "ubuntu-24.04-x64",
     "windows-11_24H2-msvc2022-developer-build",
-    "ios-universal",
+    "ios-device",
     "documentation-warnings",
   ],
   macos.yaml: [