Remove unused debug logs

Removing debug logs for bugs that have already been closed. These logs are filling up the logcat buffer and impeding in other test investigations.

Flag: not needed
Test: Tapl tests
Bug: 260260325
Change-Id: I4d69b904f2ea79d758cf6bef7d90d172f2eb2a91

src/com/android/launcher3/LauncherModel.java

@@ -375,12 +375,6 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
     public void addCallbacks(@NonNull final Callbacks callbacks) {
         Preconditions.assertUIThread();
         synchronized (mCallbacksList) {
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.NULL_INT_SET, "addCallbacks pointer: "
-                        + callbacks
-                        + ", name: "
-                        + callbacks.getClass().getName(), new Exception());
-            }
             mCallbacksList.add(callbacks);
         }
     }