remove unneeded resource

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/res/values/colors.xml

@@ -52,7 +52,6 @@
     <!-- Colors -->
     <color name="login_btn_tint">#ffffff</color>
     <color name="login_btn_stroke">#ffffff</color>
-    <color name="login_asset">#ffffff</color>
     <color name="bg_default">#FFFFFF</color>
     <color name="background_color_inverse">#000000</color>
     <color name="primary_button_background_color">@color/color_accent</color>