Remove unused go outline stuff

src/vs/workbench/parts/explorers/common/goOutline.ts

-/*---------------------------------------------------------
- * Copyright (C) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------*/
-
-'use strict';
-
-import cp = require('child_process');
-import path = require('path');
-import { getBinPath } from './goPath';
-
-import { TreeViewNode } from './treeViewModel';
-
-// Keep in sync with https://github.com/lukehoban/go-outline
-export interface GoOutlineRange {
-	start: number;
-	end: number;
-}
-
-export interface GoOutlineDeclaration {
-	label: string;
-	type: string;
-	receiverType?: string;
-	icon?: string; // icon class or null to use the default images based on the type
-	start: number;
-	end: number;
-	children?: GoOutlineDeclaration[];
-	signature?: GoOutlineRange;
-	comment?: GoOutlineRange;
-}
-
-// function documentSymbolToSymbolStat(decl: GoOutlineDeclaration): TreeViewNode {
-// 	const children = decl.children && decl.children.length > 0
-// 								 ? decl.children.map(documentSymbolToSymbolStat)
-// 								 : [];
-
-//   return new TreeViewNode(decl.label, decl.type, decl.start, decl.end, children);
-// }
-
-// export function documentSymbols(filename: string): Promise<TreeViewNode[]> {
-// 	return new Promise<GoOutlineDeclaration[]>((resolve, reject) => {
-// 		let gooutline = getBinPath('go-outline');
-// 		// Spawn `go-outline` process
-// 		let p = cp.execFile(gooutline, ['-f', filename], {}, (err, stdout, stderr) => {
-// 			try {
-// 				if (err && (<any>err).code === 'ENOENT') {
-// 					console.log('Go-outline not installed');
-// 					// promptForMissingTool('go-outline');
-// 				}
-// 				if (err) return resolve(null);
-// 				let result = stdout.toString();
-// 				let decls = <GoOutlineDeclaration[]>JSON.parse(result);
-// 				let symbols = decls.map(documentSymbolToSymbolStat);
-// 				return resolve(symbols);
-// 			} catch (e) {
-// 				reject(e);
-// 			}
-// 		});
-// 	});
-// }
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src/vs/workbench/parts/explorers/common/goPath.ts

-/*---------------------------------------------------------
- * Copyright (C) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------*/
-
-'use strict';
-
-import fs = require('fs');
-import path = require('path');
-import os = require('os');
-
-let binPathCache: { [bin: string]: string; } = {};
-let runtimePathCache: string = null;
-
-export function getBinPath(binname: string) {
-	binname = correctBinname(binname);
-	if (binPathCache[binname]) return binPathCache[binname];
-
-	// First search each GOPATH workspace's bin folder
-	if (process.env['GOPATH']) {
-		let workspaces = process.env['GOPATH'].split(path.delimiter);
-		for (let i = 0; i < workspaces.length; i++) {
-			let binpath = path.join(workspaces[i], 'bin', binname);
-			if (fs.existsSync(binpath)) {
-				binPathCache[binname] = binpath;
-				return binpath;
-			}
-		}
-	}
-
-	// Then search PATH parts
-	if (process.env['PATH']) {
-		let pathparts = process.env['PATH'].split(path.delimiter);
-		for (let i = 0; i < pathparts.length; i++) {
-			let binpath = path.join(pathparts[i], binname);
-			if (fs.existsSync(binpath)) {
-				binPathCache[binname] = binpath;
-				return binpath;
-			}
-		}
-	}
-
-	// Finally check GOROOT just in case
-	if (process.env['GOROOT']) {
-		let binpath = path.join(process.env['GOROOT'], 'bin', binname);
-		if (fs.existsSync(binpath)) {
-			binPathCache[binname] = binpath;
-			return binpath;
-		}
-	}
-
-	// Else return the binary name directly (this will likely always fail downstream)
-	binPathCache[binname] = binname;
-	return binname;
-}
-
-function correctBinname(binname: string) {
-	if (process.platform === 'win32')
-		return binname + '.exe';
-	else
-		return binname;
-}
-
-/**
- * Returns Go runtime binary path.
- *
- * @return the path to the Go binary.
- */
-export function getGoRuntimePath(): string {
-	if (runtimePathCache) return runtimePathCache;
-	if (process.env['GOROOT']) {
-		runtimePathCache = path.join(process.env['GOROOT'], 'bin', correctBinname('go'));
-	} else if (process.env['PATH']) {
-		let pathparts = (<string>process.env.PATH).split(path.delimiter);
-		runtimePathCache = pathparts.map(dir => path.join(dir, correctBinname('go'))).filter(candidate => fs.existsSync(candidate))[0];
-	}
-	return runtimePathCache;
-}
\ No newline at end of file