Update api.txt

Author: lfkellogg

firebase-appdistribution-api/api.txt

@@ -15,7 +15,6 @@ package com.google.firebase.appdistribution {
 
   public interface FirebaseAppDistribution {
     method @NonNull public com.google.android.gms.tasks.Task<com.google.firebase.appdistribution.AppDistributionRelease> checkForNewRelease();
-    method public void collectAndSendFeedback();
     method @NonNull public static com.google.firebase.appdistribution.FirebaseAppDistribution getInstance();
     method public boolean isTesterSignedIn();
     method @NonNull public com.google.android.gms.tasks.Task<java.lang.Void> signInTester();