Revert "Added a release mode configuration for iOS jobs"

This reverts commit 8d724fa.

.yamato/mobile-build-and-run.yml

@@ -15,13 +15,10 @@ Build_Player_With_Tests_iOS_{{ project.name }}_{{ editor }}:
     commands:
         - pip install unity-downloader-cli==1.2.0 --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple --upgrade
         - unity-downloader-cli -c Editor -c iOS -u {{ editor }} --fast --wait
-        - echo "CONFIGURATION = Release" >> ~/XcodeBuildConfig.xcconfig
         - curl -s https://artifactory.prd.it.unity3d.com/artifactory/unity-tools-local/utr-standalone/utr --output utr
         - chmod +x ./utr
         - ./utr --suite=playmode --platform=iOS --editor-location=.Editor --testproject={{ project.path }} --player-save-path=build/players --artifacts_path=build/logs --build-only --testfilter=Unity.BossRoom.Tests.Runtime
-    variables:
-      UNITY_TESTS_XCODEBUILD_TIMEOUT: 60
-      XCODE_XCCONFIG_FILE: ~/XcodeBuildConfig.xcconfig
+
     artifacts:
         players:
             paths: