Delete duplicate words in network_policy.rst
@@ -254,7 +254,7 @@ The following should be done on Controller startup:
* Get it's main security-group and check if it's updated. This validation
will be done by the generation tag. Generation is part of k8s metadata
- and and increased by one on every policy change. When the policy will
+ and increased by one on every policy change. When the policy will
applied by kuryr, it's should be annotated with current policy generation.
If the generation in the policy meta-data is newer than
the generation in the annotation, it's mean that the policy had been
