refactor(styles): replace custom scroll classes with overflow utils

Remove the deprecated scroll.scss stylesheet and its import from the main SCSS index file. Replace all usages of the custom .scroll-y and .scroll-x classes across Vue templates with the corresponding overflow utility classes. Fix a malformed scroll-view tag in the goods album page template.

src/static/scss/index.scss

@@ -2,4 +2,3 @@
 @import "./border.scss";
 @import "./font-family.scss";
 @import "./overflow.scss";
-@import "./scroll.scss";

src/static/scss/scroll.scss

@@ -1,8 +0,0 @@
-// 滚动条
-.scroll-y {
-  overflow-y: auto;
-}
-
-.scroll-x {
-  overflow-x: auto;
-}