Remove now unused css

Author: Tyriar

src/vs/workbench/contrib/terminalContrib/stickyScroll/browser/media/stickyScroll.css

@@ -39,23 +39,3 @@
 .terminal-sticky-scroll .hover-overlay:hover {
 	background-color: var(--vscode-terminalStickyScrollHover-background, transparent);
 }
-
-.terminal-sticky-scroll .hover-overlay .keybinding-hint {
-	display: none;
-	position: absolute;
-	right: 10px;
-	top: 50%;
-	transform: translateY(-50%);
-	z-index: 100;
-	opacity: 0.5;
-	pointer-events: none;
-	display: flex;
-}
-.terminal-sticky-scroll .hover-overlay .keybinding-hint > div {
-	/* Preventing wrapping of keybinding and its localized string */
-	display: inline-block;
-}
-.terminal-sticky-scroll .hover-overlay:hover .keybinding-hint {
-	display: flex;
-	align-items: center;
-}