unify divider colors

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/res/drawable/uploader_list_separator.xml

@@ -20,7 +20,7 @@
 <shape
   xmlns:android="http://schemas.android.com/apk/res/android">
     <gradient
-        android:startColor="@color/uploader_list_separator_color"
-        android:endColor="@color/uploader_list_separator_color"
+        android:startColor="@color/list_divider_background"
+        android:endColor="@color/list_divider_background"
         android:angle="0" />
 </shape>

src/main/res/values-night/colors.xml

@@ -29,8 +29,6 @@
     <color name="fg_contrast">#717171</color>
     <color name="primary_button_text_color">#000000</color>
 
-    <color name="uploader_list_separator_color">#2a2a2a</color>
-
     <!-- Multiselect backgrounds -->
     <color name="action_mode_status_bar_background">#ECECEC</color>
     <color name="selected_item_background">#757575</color>

src/main/res/values/colors.xml

@@ -64,8 +64,6 @@
 
     <color name="background_color_png">#FFFFFF</color>
 
-    <color name="uploader_list_separator_color">#ededed</color>
-
     <!-- special transparent action bar colors for image preview -->
     <color name="color_transparent">#201D2D44</color>
     <color name="color_dark_transparent">#40162233</color>