unused : gradle version

Needs Removal From the docs : https://github.com/wordpress-mobile/WordPress-Android/blob/4f5ea84a7142d03d55400d5086f11e59ebc98f63/docs/test_instructions_per_dependency_update.md#navigation

Author: neeldoshii

build.gradle

@@ -33,9 +33,6 @@ ext {
     // main
     androidxAnnotationVersion = '1.6.0'
     androidxComposeCompilerVersion = '1.5.9'
-    androidxGridlayoutVersion = '1.0.0'
-    googleAutoServiceVersion = '1.0.1'
-    googlePlayServicesCodeScannerVersion = '16.0.0-beta3'
 
     // other
     androidDesugarVersion = '2.0.4'