refactor(scss, vue): remove unused min-height and min-width utility classes

remove the unused min-height.scss and min-width.scss source files
delete their @import statements from src/static/scss/index.scss
strip the min-width-0 and min-height-0 class attributes from the relevant Vue components

src/static/scss/index.scss

@@ -6,5 +6,3 @@
 @import "./overflow.scss";
 @import "./scroll.scss";
 @import "./width.scss";
-@import "./min-height.scss";
-@import "./min-width.scss";

src/static/scss/min-height.scss

@@ -1,3 +0,0 @@
-.min-height-0 {
-  min-height: 0;
-}

src/static/scss/min-width.scss

@@ -1,3 +0,0 @@
-.min-width-0 {
-  min-width: 0;
-}