Remove importlib as too ambitious right now

Author: ncw

main.go

@@ -6,7 +6,7 @@ import (
 	"flag"
 	"fmt"
 	_ "github.com/ncw/gpython/builtin"
-	_ "github.com/ncw/gpython/importlib"
+	//_ "github.com/ncw/gpython/importlib"
 	"github.com/ncw/gpython/marshal"
 	"github.com/ncw/gpython/py"
 	"github.com/ncw/gpython/vm"