[lit][NFC] Remove stray character in docstring

ldionne · ldionne · commit b57df9fe9a1a · 2023-09-14T09:03:00.000-04:00
diff --git a/llvm/utils/lit/lit/TestingConfig.py b/llvm/utils/lit/lit/TestingConfig.py
@@ -3,7 +3,7 @@
 
 
 class TestingConfig(object):
-    """ "
+    """
     TestingConfig - Information on the tests inside a suite.
     """
 
