Disable SystemUIGoogleScreenshotTests on main

- Different graphics stacks will lead to failures

Bug: 274142790
Test: Presubmit
Change-Id: Ic6d277e2dccc4f7c7fb2637047b3c27e4b6e0cae

packages/SystemUI/TEST_MAPPING

@@ -52,20 +52,6 @@
         }
       ]
     },
-    {
-      "name": "SystemUIGoogleScreenshotTests",
-      "options": [
-        {
-          "exclude-annotation": "org.junit.Ignore"
-        },
-        {
-          "exclude-annotation": "androidx.test.filters.FlakyTest"
-        },
-        {
-          "exclude-annotation": "android.platform.test.annotations.Postsubmit"
-        }
-      ]
-    },
     {
       // TODO(b/251476085): Consider merging with SystemUIGoogleScreenshotTests (in U+)
       "name": "SystemUIGoogleBiometricsScreenshotTests",
@@ -145,21 +131,5 @@
         }
       ]
     }
-  ],
-  "postsubmit": [
-   {
-      "name": "SystemUIGoogleScreenshotTests",
-      "options": [
-        {
-            "exclude-annotation": "org.junit.Ignore"
-        },
-        {
-            "exclude-annotation": "android.platform.test.annotations.FlakyTest"
-        },
-        {
-            "include-annotation": "android.platform.test.annotations.Postsubmit"
-        }
-      ]
-    }
   ]
 }