docs: fix broken links to VSCode Workspace/User Settings documentation

Change-Id: Icdba4abbdd59e9b11224b98b4447d5b6040f8c20
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/599596
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
kokoro-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Commit-Queue: Michael Matloob <matloob@golang.org>
Reviewed-by: Hongxiang Jiang <hxjiang@golang.org>
Commit-Queue: Hyang-Ah Hana Kim <hyangah@gmail.com>

Author: Russell Webb

docs/gopath.md

@@ -39,9 +39,9 @@ Still, there are a number of cases in which you might want a more complicated `G
 
 ## Different `GOPATH`s for different projects
 
-Setting [`go.gopath`](settings.md#go.gopath) in your [user settings](https://vscode.readthedocs.io/en/latest/getstarted/settings/) overrides the environment's `GOPATH` value.
+Setting [`go.gopath`](settings.md#go.gopath) in your [user settings](https://code.visualstudio.com/docs/getstarted/settings) overrides the environment's `GOPATH` value.
 
-[Workspace settings](https://vscode.readthedocs.io/en/latest/getstarted/settings/) override user settings, so you can use the [`go.gopath`](settings.md#go.gopath) setting to set different `GOPATH`s for different projects. A `GOPATH` can also contain multiple directories, so this setting is not necessary to achieve this behavior.
+[Workspace settings](https://code.visualstudio.com/docs/getstarted/settings#_workspace-settings) override user settings, so you can use the [`go.gopath`](settings.md#go.gopath) setting to set different `GOPATH`s for different projects. A `GOPATH` can also contain multiple directories, so this setting is not necessary to achieve this behavior.
 
 ## Automatically inferring your `GOPATH`