improvement(browse): remove bottom padding

Added in f0e4ceb for flags
This was reverted, but the padding remained

This caused blank space after scrolling to the bottom of the list in the Browse window

Author: david-allison

AnkiDroid/src/main/res/layout/cardbrowser.xml

@@ -38,8 +38,6 @@
             android:layout_height="match_parent"
             android:background="?android:attr/colorBackground"
             android:overScrollFooter="@color/transparent"
-            android:clipToPadding="false"
-            android:paddingBottom="72dp"
             android:drawSelectorOnTop="true"
             tools:listitem="@layout/card_item_browser"
             />