Remove accidentally added line from GameServiceProviderInstanceImpl.

This was a bad merge artifact from rebasing ag/16522354.

Change-Id: Iba5426831902651a048d20f20ab61ad93d71e9d7
Bug: 210127167
Test: manual

services/core/java/com/android/server/app/GameServiceProviderInstanceImpl.java

@@ -330,7 +330,6 @@ final class GameServiceProviderInstanceImpl implements GameServiceProviderInstan
                     + ") is not awaiting game session request. Ignoring.");
             return;
         }
-        mGameSessions.put(taskId, existingGameSessionRecord.withGameSessionRequested());
 
         GameSessionViewHostConfiguration gameSessionViewHostConfiguration =
                 createViewHostConfigurationForTask(taskId);