Removes mention of elephant friend, to reduce noise.

app/src/main/res/layout/activity_login.xml

@@ -18,7 +18,7 @@
             android:layout_height="wrap_content"
             android:layout_marginBottom="50dp"
             android:src="@drawable/elephant_friend"
-            android:contentDescription="@string/description_elephant_friend" />
+            android:contentDescription="@null" />
 
         <android.support.design.widget.TextInputLayout
             android:layout_height="wrap_content"

app/src/main/res/values/strings.xml

@@ -135,7 +135,6 @@
     <string name="notification_summary_small">%1$s and %2$s</string>
     <string name="notification_title_summary">%d new interactions</string>
 
-    <string name="description_elephant_friend">Elephant Friend</string>
     <string name="description_account_locked">Locked Account</string>
 
 </resources>