Delete duplicate word "are"

Co-authored-by: David Harris <[email protected]>

.bandit.yml

@@ -3,7 +3,7 @@
 # https://bandit.readthedocs.io/en/latest/config.html
 
 # Tests are first included by `tests`, and then excluded by `skips`.
-# If `tests` is empty, all tests are are considered included.
+# If `tests` is empty, all tests are considered included.
 
 tests:
 # - B101