Remove git.Command.Run and git.Command.RunInDir* (#19280)

Follows #19266, #8553, Close #18553, now there are only three `Run..(&RunOpts{})` functions.
 * before: `stdout, err := RunInDir(path)`
 * now: `stdout, _, err := RunStdString(&git.RunOpts{Dir:path})`

modules/git/remote.go

@@ -22,7 +22,7 @@ func GetRemoteAddress(ctx context.Context, repoPath, remoteName string) (*url.UR
 		cmd = NewCommand(ctx, "config", "--get", "remote."+remoteName+".url")
 	}
 
-	result, err := cmd.RunInDir(repoPath)
+	result, _, err := cmd.RunStdString(&RunOpts{Dir: repoPath})
 	if err != nil {
 		return nil, err
 	}