cmd/dist: do not rewrite "any" -> "interface{}"

Since go1.22, generic can now be used when building bootstrap toolchain.

Updates #54265
Updates #64751

Change-Id: I93209fc23c92114d37ef36787ea2b520de3ed89d
Reviewed-on: https://go-review.googlesource.com/c/go/+/609915
LUCI-TryBot-Result: Go LUCI <[email protected]>
Auto-Submit: Cuong Manh Le <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>

Author: cuonglm

src/cmd/dist/buildtool.go

@@ -312,9 +312,6 @@ var (
 
 func bootstrapFixImports(srcFile string) string {
 	text := readfile(srcFile)
-	if !strings.Contains(srcFile, "/cmd/") && !strings.Contains(srcFile, `\cmd\`) {
-		text = regexp.MustCompile(`\bany\b`).ReplaceAllString(text, "interface{}")
-	}
 	lines := strings.SplitAfter(text, "\n")
 	inBlock := false
 	inComment := false