Revert "Maybe fix modified build"

This reverts commit 8dee57a90e3a8d0f7e7282bb0a9e045a0bfd55af.

src/gplay/AndroidManifest.xml

@@ -59,6 +59,10 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".ui.activity.FileDisplayActivity"
+            tools:node="remove"/>
+
         <activity-alias
             android:name=".authentication.AuthenticatorActivity"
             android:targetActivity=".authentication.ModifiedAuthenticatorActivity"

src/modified/AndroidManifest.xml

@@ -60,6 +60,15 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".ui.activity.FileDisplayActivity"
+            tools:node="remove"/>
+
+        <activity-alias
+            android:name=".ui.activity.FileDisplayActivity"
+            android:targetActivity=".ui.activity.ModifiedFileDisplayActivity"
+            tools:replace="android:targetActivity"/>
+
         <activity-alias
             android:name=".authentication.AuthenticatorActivity"
             android:targetActivity=".authentication.ModifiedAuthenticatorActivity"