chore(ui5-tabcontainer): remove unused classes getter (#10887)

Author: s-todorova

packages/main/src/TabContainer.ts

@@ -1433,31 +1433,6 @@ class TabContainer extends UI5Element {
 		return (parent! ?? this).items;
 	}
 
-	get classes() {
-		return {
-			root: {
-				"ui5-tc-root": true,
-				"ui5-tc--textOnly": this.textOnly,
-				"ui5-tc--noTabSelected": !this._selectedTab,
-				"ui5-tc--withAdditionalText": this.withAdditionalText,
-				"ui5-tc--standardTabLayout": this.standardTabLayout,
-			},
-			header: {
-				"ui5-tc__header": true,
-			},
-			tabStrip: {
-				"ui5-tc__tabStrip": true,
-			},
-			separator: {
-				"ui5-tc__separator": true,
-			},
-			content: {
-				"ui5-tc__content": true,
-				"ui5-tc__content--collapsed": this._contentCollapsed,
-			},
-		};
-	}
-
 	get mixedMode() {
 		const tabs = this._getTabs();