Revert "cmd/go: add telemetry counters for flag names and subcommand"

This reverts CL 559519.

Reason for revert: Broke windows/386. See https://build.golang.org/log/03594b706c425bd61fb3c65495aae6dd01b4a81b.

Fixes #65447.

Change-Id: I567bca0368168dbfb256fadba37bce3cd31aceb2
Reviewed-on: https://go-review.googlesource.com/c/go/+/560655
Reviewed-by: Bryan Mills <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Hyang-Ah Hana Kim <[email protected]>

Author: qmuntal

src/cmd/go/main.go

@@ -97,7 +97,6 @@ func main() {
 
 	flag.Usage = base.Usage
 	flag.Parse()
-	counter.CountFlags("cmd/go:flag-", *flag.CommandLine)
 
 	args := flag.Args()
 	if len(args) < 1 {
@@ -153,7 +152,6 @@ func main() {
 
 	cmd, used := lookupCmd(args)
 	cfg.CmdName = strings.Join(args[:used], " ")
-	counter.Inc("cmd/go:subcommand-" + strings.ReplaceAll(cfg.CmdName, " ", "-"))
 	if len(cmd.Commands) > 0 {
 		if used >= len(args) {
 			help.PrintUsage(os.Stderr, cmd)
@@ -241,7 +239,6 @@ func invoke(cmd *base.Command, args []string) {
 	} else {
 		base.SetFromGOFLAGS(&cmd.Flag)
 		cmd.Flag.Parse(args[1:])
-		counter.CountFlags("cmd/go/"+cmd.Name()+":flag-", cmd.Flag)
 		args = cmd.Flag.Args()
 	}
 
@@ -326,7 +323,6 @@ func handleChdirFlag() {
 		_, dir, _ = strings.Cut(a, "=")
 		os.Args = slices.Delete(os.Args, used, used+1)
 	}
-	counter.Inc("cmd/go:flag-C")
 
 	if err := os.Chdir(dir); err != nil {
 		base.Fatalf("go: %v", err)