google_pixel: Remove duplicated default Smart battery header overlay

overlays/overlay-gms/packages/apps/Settings/res/values/strings.xml

@@ -1,9 +0,0 @@
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="battery_suggestion_summary">Turn on Adaptive Battery</string>
-    <string name="smart_battery_manager_title">Adaptive Battery</string>
-    <string name="smart_battery_footer" product="default">To extend battery life, Adaptive Battery limits battery for infrequently used apps. Your phone will learn how you use apps over time.\n\nNotifications may be delayed for these apps.</string>
-    <string name="smart_battery_footer" product="tablet">To extend battery life, Adaptive Battery limits battery for infrequently used apps. Your tablet will learn how you use apps over time.\n\nNotifications may be delayed for these apps.</string>
-    <string name="smart_battery_footer" product="device">To extend battery life, Adaptive Battery limits battery for infrequently used apps. Your device will learn how you use apps over time.\n\nNotifications may be delayed for these apps.</string>
-    <string name="smart_battery_title">Use Adaptive Battery</string>
-    <string name="battery_tip_smart_battery_summary">Turn on Adaptive Battery</string>
-</resources>