deleted a vestigial print statement

Author: rwb27

labthings/core/tasks/thread.py

@@ -251,5 +251,4 @@ def emit(self, record):
         # FIXME: make sure this doesn't become a memory disaster!
         # We probably need to check the size of the list...
         # TODO: think about whether any of the keys are security flaws
-        # (this is why I don't dump the whole logrecord)
-        print(f"log is now {self.dest}")
+        # (this is why I don't dump the whole logrecord)