Fix Content Only Toolbar icon focus style (WordPress#64940)

Co-authored-by: jeryj <jeryj@git.wordpress.org>
Co-authored-by: getdave <get_dave@git.wordpress.org>

packages/block-editor/src/components/block-switcher/style.scss

@@ -55,30 +55,6 @@
 	}
 }
 
-// Style this the same as the block buttons in the library.
-// Needs specificity to override the icon button.
-.block-editor-block-toolbar .components-toolbar-group .components-button.block-editor-block-switcher__no-switcher-icon.has-icon.has-icon,
-.block-editor-block-toolbar .components-toolbar .components-button.block-editor-block-switcher__no-switcher-icon.has-icon.has-icon,
-.block-editor-block-toolbar .components-toolbar-group .components-button.block-editor-block-switcher__toggle.has-icon.has-icon,
-.block-editor-block-toolbar .components-toolbar .components-button.block-editor-block-switcher__toggle.has-icon.has-icon {
-	.block-editor-block-icon {
-		height: 100%;
-		position: relative;
-		margin: 0 auto;
-		display: flex;
-		align-items: center;
-		min-width: 100%;
-	}
-
-	// Position the focus style correctly.
-	&::before {
-		top: $grid-unit-10;
-		right: $grid-unit-10;
-		bottom: $grid-unit-10;
-		left: $grid-unit-10;
-	}
-}
-
 .components-popover.block-editor-block-switcher__popover .components-popover__content {
 	min-width: 300px;
 }