ci: removing Kokoro settings that are covered by GitHub Actions (#1273)

* ci: removing Kokoro settings in favor of GitHub Actions

* ci: bringing back "Kokoro - Test: Binary Compatibility"

* ci: adding dependencies to required checks

* ci: binary compatibility is clirr

Author: suztomo

.github/sync-repo-settings.yaml

@@ -28,11 +28,15 @@ branchProtectionRules:
   requiresStrictStatusChecks: false
   # List of required status check contexts that must pass for commits to be accepted to matching branches.
   requiredStatusCheckContexts:
-    - "Kokoro - Test: Binary Compatibility"
-    - "Kokoro - Test: Java 11"
-    - "Kokoro - Test: Java 7"
-    - "Kokoro - Test: Java 8"
-    - "Kokoro - Test: Linkage Monitor"
+    - "units (7)"
+    - "units (8)"
+    - "units (11)"
+    - "windows"
+    - "dependencies (8)"
+    - "dependencies (11)"
+    - "linkage-monitor"
+    - "lint"
+    - "clirr"
     - "cla/google"
 
 # List of explicit permissions to add (additive only)