Bug 1391177 - Part 5: Remove vertical dividers in tabs tray page. r=nechen,walkingice

MozReview-Commit-ID: 3QXKlmJmg7R

--HG--
extra : rebase_source : f2e9f68162629041c0bdeb95890ac86a7f8b53d8
extra : intermediate-source : 720407bcd509fefb65dfa5e0c90999b22615917d
extra : source : 119c08e61355e37ec9f0764a5f75f92cf1f11418

mobile/android/app/src/main/res/layout/tabs_panel_default.xml

@@ -31,9 +31,7 @@
                 android:minWidth="@dimen/tabs_panel_button_width"
                 android:src="@drawable/tabs_panel_nav_back"
                 android:contentDescription="@string/back"
-                android:background="@drawable/action_bar_button_inverse"
-                gecko:dividerVerticalPadding="@dimen/tab_panel_divider_vertical_padding"
-                gecko:rightDivider="@drawable/tab_indicator_divider"/>
+                android:background="@drawable/action_bar_button_inverse"/>
 
             <org.mozilla.gecko.widget.IconTabWidget android:id="@+id/tab_widget"
                                                     android:layout_width="wrap_content"