Cleanup: Remove commented code, use logging

pkg_ops.py

@@ -5,6 +5,7 @@ from . import blenderpack
 
 class SubprocessOperatorMixin:
     timer = None
+    log = logging.getLogger("%s.SubprocessOperatorMixin" % __name__)
 
     # run once in invoke
     def setup(self):
@@ -35,14 +36,14 @@ class SubprocessOperatorMixin:
         return {'RUNNING_MODAL'}
 
     def modal(self, context, event):
-        print("polling")
+        self.log.debug("polling")
         try:
             if self.pipe[0].poll():
                 newdata = self.pipe[0].recv()
             else:
                 newdata = None
         except EOFError:
-            print("done polling")
+            self.log.debug("done polling")
             return {'FINISHED'}
 
         if newdata is not None: