MB-49945: enable mistakenly disabled minification

Change-Id: Iad28e94bb1dc799a0b8c955282e7fa35a29edda7
Reviewed-on: https://review.couchbase.org/c/ns_server/+/167754
Tested-by: Pavel Blagodov <stochmail@gmail.com>
Well-Formed: Build Bot <build@couchbase.com>
Reviewed-by: Matthew Dawber <matthew.dawber@couchbase.com>
Reviewed-by: Raluca Lupu <raluca.lupu@couchbase.com>

deps/gomodules/minify/main.go

@@ -71,10 +71,10 @@ func main() {
 	}
 
 	result := api.Build(api.BuildOptions{
-		// MinifyWhitespace: true,
+		MinifyWhitespace: true,
 		// TODO: figure out why does't work
 		// MinifyIdentifiers: true,
-		// MinifySyntax: true
+		MinifySyntax: true,
 
 		EntryPoints: []string{
 			*inDir + "/ui/app/main.js",