cmd/gio: don't strip debug info for webassembly builds

The space savings are minimal and we lose function names in the
browser debuggers.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

cmd/gio/jsbuild.go

@@ -21,7 +21,7 @@ func buildJS(bi *buildInfo) error {
 	cmd := exec.Command(
 		"go",
 		"build",
-		"-ldflags=-w -s "+bi.ldflags,
+		"-ldflags="+bi.ldflags,
 		"-o", filepath.Join(out, "main.wasm"),
 		bi.pkg,
 	)