Remove unused styles for auto compile & link sharing onboarding

services/web/public/stylesheets/app/editor.less

@@ -12,7 +12,6 @@
 @import "./editor/online-users.less";
 @import "./editor/hotkeys.less";
 @import "./editor/review-panel.less";
-@import "./editor/feature-onboarding.less";
 
 @ui-layout-toggler-def-height: 50px;
 @ui-resizer-extra-hit-area: 8px;

services/web/public/stylesheets/app/editor/feature-onboarding.less

@@ -1,82 +0,0 @@
-.onboarding-autocompile {
-	display: block;
-	top: 10px;
-
-	img {
-		margin-bottom: 10px;
-		border: 1px solid @gray-lighter;
-	}
-
-	&::before, &::after {
-		content: '';
-		border-width: 11px;
-		border-style: solid;
-		border-color: transparent;
-		top: 7px;
-		display: block;
-		position: absolute;
-	}
-
-	&.right::before {
-		border-left-width: 0;
-		border-right-color: rgba(0, 0, 0, .3);
-		left: -11px;
-	}
-
-	&.right::after {
-		border-left-width: 0;
-		border-right-color: #f7f7f7;
-		left: -9.5px;
-	}
-
-	&.left::before {
-		border-right-width: 0;
-		border-left-color: rgba(0, 0, 0, .3);
-		right: -11px
-	}
-
-	&.left::after {
-		border-right-width: 0;
-		border-left-color: #f7f7f7;
-		right: -9.5px;
-	}
-}
-
-.onboarding-linksharing {
-	display: block;
-	top: 10px;
-	&.popover {
-		left: auto !important;
-	}
-
-	img {
-		margin-bottom: 10px;
-		border: 1px solid @gray-lighter;
-	}
-
-	&::before, &::after {
-		content: '';
-		border-width: 11px;
-		border-style: solid;
-		border-color: transparent;
-		top: 7px;
-		display: block;
-		position: absolute;
-	}
-
-	// Bottom
-	&.bottom::before {
-		border-top-width: 0;
-		border-bottom-color: rgba(0, 0, 0, .3);
-		top: -10px;
-		right: 38px;
-	}
-
-	&.bottom::after {
-		border-top-width: 0;
-		border-bottom-color: #f7f7f7;
-		top: -9.5px;
-		right: 38px;
-	}
-
-}