src/goModules: delete unused functions

promptToUpdateToolForModules is not being referenced. Delete it.

And delete the prompt that warns about goreturns.

For #2799

Change-Id: Ib89eeb0e73ac8e2466e8d87b7c1fcd60728dc7c6
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/535095
Reviewed-by: Suzy Mueller <suzmue@golang.org>
Commit-Queue: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>

src/goModules.ts

@@ -9,13 +9,8 @@ import path = require('path');
 import util = require('util');
 import vscode = require('vscode');
 import vscodeUri = require('vscode-uri');
-import { getGoConfig } from './config';
 import { toolExecutionEnvironment } from './goEnv';
-import { getFormatTool } from './language/legacy/goFormat';
-import { installTools } from './goInstallTools';
 import { outputChannel } from './goStatus';
-import { getTool } from './goTools';
-import { getFromGlobalState, updateGlobalState } from './stateUtils';
 import { getBinPath, getGoVersion, getModuleCache, getWorkspaceFolderPath } from './util';
 import { getEnvPath, fixDriveCasingInWindows, getCurrentGoRoot } from './utils/pathUtils';
 import { CommandFactory } from './commands';
@@ -77,68 +72,11 @@ export async function getModFolderPath(fileuri?: vscode.Uri, isDir?: boolean): P
  goModEnvJSON['GOMOD'] === '/dev/null' || goModEnvJSON['GOMOD'] === 'NUL' ? '' : goModEnvJSON['GOMOD'];
  if (goModEnvResult) {
  goModEnvResult = path.dirname(goModEnvResult);
- const goConfig = getGoConfig(fileuri);
- if (goConfig['useLanguageServer'] === false && getFormatTool(goConfig) === 'goreturns') {
- const promptFormatToolMsg =
- 'The goreturns tool does not support Go modules. Please update the "formatTool" setting to "goimports".';
- promptToUpdateToolForModules('switchFormatToolToGoimports', promptFormatToolMsg, goConfig);
- }
  }
  packagePathToGoModPathMap[pkgPath] = goModEnvResult;
  return goModEnvResult;
 }
 
-const promptedToolsForCurrentSession = new Set<string>();
-export async function promptToUpdateToolForModules(
- tool: string,
- promptMsg: string,
- goConfig?: vscode.WorkspaceConfiguration
-): Promise<boolean> {
- if (promptedToolsForCurrentSession.has(tool)) {
- return false;
- }
- const promptedToolsForModules = getFromGlobalState('promptedToolsForModules', {});
- if (promptedToolsForModules[tool]) {
- return false;
- }
- const goVersion = await getGoVersion();
- const selected = await vscode.window.showInformationMessage(promptMsg, 'Update', 'Later', "Don't show again");
- let choseToUpdate = false;
- switch (selected) {
- case 'Update':
- choseToUpdate = true;
- if (!goConfig) {
- goConfig = getGoConfig();
- }
- await installTools([getTool(tool)], goVersion);
- switch (tool) {
- case 'switchFormatToolToGoimports':
- goConfig.update('formatTool', 'goimports', vscode.ConfigurationTarget.Global);
- break;
- case 'gopls':
- if (goConfig.get('useLanguageServer') === false) {
- goConfig.update('useLanguageServer', true, vscode.ConfigurationTarget.Global);
- }
- if (goConfig.inspect('useLanguageServer')?.workspaceFolderValue === false) {
- goConfig.update('useLanguageServer', true, vscode.ConfigurationTarget.WorkspaceFolder);
- }
- break;
- }
- promptedToolsForModules[tool] = true;
- updateGlobalState('promptedToolsForModules', promptedToolsForModules);
- break;
- case "Don't show again":
- promptedToolsForModules[tool] = true;
- updateGlobalState('promptedToolsForModules', promptedToolsForModules);
- break;
- case 'Later':
- default:
- promptedToolsForCurrentSession.add(tool);
- break;
- }
- return choseToUpdate;
-}
-
 const folderToPackageMapping: { [key: string]: string } = {};
 export async function getCurrentPackage(cwd: string): Promise<string> {
  if (folderToPackageMapping[cwd]) {