removed the '!default' flags, as not necessary

Author: fuchsi3010

apps/accessibility/css/dark.scss

@@ -21,8 +21,8 @@ $color-box-shadow: transparentize(darken($color-main-background, 70%), 0.5);
 $color-border: lighten($color-main-background, 7%);
 $color-border-dark: lighten($color-main-background, 14%);
 
-$image-logo: url('../../../core/img/logo/logo.svg?v=1') !default;
-$image-logoheader: url('../../../core/img/logo/logo.svg?v=1') !default;
+$image-logo: url('../../../core/img/logo/logo.svg?v=1');
+$image-logoheader: url('../../../core/img/logo/logo.svg?v=1');
 
 #app-navigation > ul > li > a:first-child,
 #app-navigation > ul > li > ul > li > a:first-child,

apps/accessibility/css/fontdyslexic.scss

@@ -14,5 +14,5 @@
 
 $font-face: OpenDyslexic, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Cantarell, Ubuntu, 'Helvetica Neue', Arial, 'Noto Color Emoji', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
 
-$image-logo: url('../../../core/img/logo/logo.svg?v=1') !default;
-$image-logoheader: url('../../../core/img/logo/logo.svg?v=1') !default;
+$image-logo: url('../../../core/img/logo/logo.svg?v=1');
+$image-logoheader: url('../../../core/img/logo/logo.svg?v=1');

apps/accessibility/css/highcontrast.scss

@@ -20,8 +20,8 @@ $color-box-shadow: $color-main-text;
 $color-border: darken($color-main-background, 50%);
 $color-border-dark: darken($color-main-background, 50%);
 
-$image-logo: url('../../../core/img/logo/logo.svg?v=1') !default;
-$image-logoheader: url('../../../core/img/logo/logo.svg?v=1') !default;
+$image-logo: url('../../../core/img/logo/logo.svg?v=1');
+$image-logoheader: url('../../../core/img/logo/logo.svg?v=1');
 
 [class^='icon-'], [class*=' icon-'],
 .action,

apps/accessibility/css/highcontrastdark.scss

@@ -17,9 +17,6 @@ $color-box-shadow: $color-main-text;
 $color-border: lighten($color-main-background, 50%);
 $color-border-dark: lighten($color-main-background, 50%);
 
-$image-logo: url('../../../core/img/logo/logo.svg?v=1') !default;
-$image-logoheader: url('../../../core/img/logo/logo.svg?v=1') !default;
-
 [class^='icon-'], [class*=' icon-'],
 .action,
 #appmenu li a,