remove unused code

src/vs/base/browser/ui/fileLabel/fileLabel.ts

@@ -9,8 +9,8 @@ import dom = require('vs/base/browser/dom');
 import uri from 'vs/base/common/uri';
 import paths = require('vs/base/common/paths');
 import types = require('vs/base/common/types');
-import { HighlightedLabel } from 'vs/base/browser/ui/highlightedlabel/highlightedLabel';
-import { IMatch } from 'vs/base/common/filters';
+import {HighlightedLabel} from 'vs/base/browser/ui/highlightedlabel/highlightedLabel';
+import {IMatch} from 'vs/base/common/filters';
 import {IWorkspaceProvider, getPathLabel} from 'vs/base/common/labels';
 
 export class FileLabel {
@@ -71,43 +71,4 @@ function getPath(arg1: uri | string | IWorkspaceProvider): string {
 	}
 
 	return (<uri>arg1).fsPath;
-}
-
-export function getFileIconClasses(arg1?: uri | string, getLanguageId?: (path: string) => string, isFolder?: boolean): string[] {
-	let path: string;
-	if (typeof arg1 === 'string') {
-		path = arg1;
-	} else if (arg1) {
-		path = arg1.fsPath;
-	}
-
-	const classes = isFolder ? ['folder-icon'] : ['file-icon'];
-
-	if (path) {
-		const basename = paths.basename(path);
-		const dotSegments = basename.split('.');
-
-		const name = dotSegments[0]; // file.txt => "file", .dockerfile => "", file.some.txt => "file"
-		if (name) {
-			classes.push(`${cssEscape(name.toLowerCase())}-name-file-icon`);
-		}
-
-		const extensions = dotSegments.splice(1);
-		if (extensions.length > 0) {
-			for (let i = 0; i < extensions.length; i++) {
-				classes.push(`${cssEscape(extensions.slice(i).join('.').toLowerCase())}-ext-file-icon`); // add each combination of all found extensions if more than one
-			}
-		}
-
-		const langId = getLanguageId(path);
-		if (langId) {
-			classes.push(`${cssEscape(langId)}-lang-file-icon`);
-		}
-	}
-
-	return classes;
-}
-
-function cssEscape(val: string): string {
-	return val.replace(/\s/g, '\\$&'); // make sure to not introduce CSS classes from files that contain whitespace
 }
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