Revert 736a3a9

This reverts a bad fix for 2753 that caused issue 3563

Author: Sigma1912

src/emc/rs274ngc/gcodemodule.cc

@@ -778,6 +778,12 @@ static PyObject *parse_file(PyObject *self, PyObject *args) {
         result = pinterp->execute();
     }
 
+    if(initcode && RESULT_OK) {
+        result = pinterp->read(initcode);
+        if(!RESULT_OK) goto out_error;
+        result = pinterp->execute();
+    }
+
     while(!interp_error && RESULT_OK) {
         error_line_offset = 1;
         result = pinterp->read();