Update empty list screen text to omit sync references

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

@@ -30,7 +30,7 @@
     <string name="enable_camera_permission_to_use_the_scanner">Enable camera permission to use the scanner</string>
     <string name="empty_item_list">Empty Item Listing</string>
     <string name="you_dont_have_items_to_display">You don\'t have any items to display.</string>
-    <string name="empty_item_list_instruction">Add a new code, sync an existing account, or import codes to secure your accounts.</string>
+    <string name="empty_item_list_instruction">Add a new code to secure your accounts.</string>
     <string name="add_code">Add code</string>
     <string name="authenticator_key_read_error">Cannot read authenticator key.</string>
     <string name="verification_code_added">Verification code added</string>