Removed UI seemingly used by removed "shared with me" functionality.

myTracks/src/main/java/com/google/android/apps/mytracks/SectionResourceCursorAdapter.java

@@ -52,13 +52,7 @@ public abstract class SectionResourceCursorAdapter extends ResourceCursorAdapter
     if (getItemViewType(position) == ItemType.TRACK.ordinal()) {
       return super.getView(getCursorPosition(position), convertView, parent);
     } else {
-      TextView textView;
-      if (convertView == null) {
-        textView = (TextView) layoutInflater.inflate(R.layout.track_list_header, parent, false);
-      } else {
-        textView = (TextView) convertView;
-      }
-      return textView;
+      return convertView;
     }
   }
 

myTracks/src/main/res/layout/track_list_header.xml

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright 2013 Google Inc.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
--->
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_height="wrap_content"
-  android:layout_width="match_parent"
-  android:paddingBottom="4dp"
-  android:paddingLeft="24dp"
-  android:paddingTop="32dp"
-  android:text="@string/track_list_shared_with_me"
-  style="?android:attr/listSeparatorTextViewStyle" />

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

@@ -2078,11 +2078,6 @@ limitations under the License.
       success.">
     Now recording a new track
   </string>
-  <string name="track_list_shared_with_me"
-    translation_description="The section header for &#8216;Shared with me&#8217; tracks from Google
-      Drive.">
-    Shared with me
-  </string>
 
   <!-- Track Widget -->
   <string name="track_widget_config_title"