Remove commented out test code

Author: Jeff Yanta

pkg/code/async/geyser/handler_test.go

@@ -1,10 +1,3 @@
 package async_geyser
 
-import (
-	"testing"
-)
-
-// todo: implement me
-func TestTokenProgramAccountHandler(t *testing.T) {
-
-}
+// todo: implement m

pkg/code/async/nonce/pool_test.go

@@ -1 +1,3 @@
 package async_nonce
+
+// todo: implement me