style: replaced _track-preview.scss with Vue component and Tailwind styles

src/styles/scss/_track-preview.scss

@@ -1,18 +0,0 @@
-.preview_controls {
-	opacity: 0;
-	display: block;
-	background: rgba(0, 0, 0, 0.5);
-	width: 56px;
-	height: 56px;
-	text-align: center;
-	line-height: 56px;
-	position: absolute;
-	border-radius: 5px;
-	top: 0;
-	right: 0;
-	transition: opacity 200ms ease-in-out;
-}
-
-.preview_playlist_controls {
-	cursor: pointer;
-}

src/styles/scss/style.scss

@@ -41,5 +41,4 @@ body {
 @import './progressbar';
 @import './sidebar';
 @import './stackedTabs';
-@import './track-preview';
 @import './toasts';