theme uninstall add

resources/custom/scss/bootstrap/_root.scss

@@ -1,19 +0,0 @@
-:root {
-  // Custom variable values only support SassScript inside `#{}`.
-  @each $color, $value in $colors {
-    --#{$color}: #{$value};
-  }
-
-  @each $color, $value in $theme-colors {
-    --#{$color}: #{$value};
-  }
-
-  @each $bp, $value in $grid-breakpoints {
-    --breakpoint-#{$bp}: #{$value};
-  }
-
-  // Use `inspect` for lists so that quoted items keep the quotes.
-  // See https://github.com/sass/sass/issues/2383#issuecomment-336349172
-  --font-family-sans-serif: #{inspect($font-family-sans-serif)};
-  --font-family-monospace: #{inspect($font-family-monospace)};
-}