remove duplicate comments in envoy filter (#2932)

Signed-off-by: Rama Chavali <[email protected]>

Author: ramaraochavali

networking/v1alpha3/envoy_filter.pb.go

@@ -878,11 +878,9 @@ message EnvoyFilter {
   // Criteria used to select the specific set of pods/VMs on which
   // this patch configuration should be applied. If omitted, the set
   // of patches in this configuration will be applied to all workload
-  // instances in the same namespace.  If omitted, the `EnvoyFilter`
-  // patches will be applied to all workloads in the same
-  // namespace. If the `EnvoyFilter` is present in the config root
-  // namespace, it will be applied to all applicable workloads in any
-  // namespace.
+  // instances in the same namespace. If the `EnvoyFilter` is present
+  // in the config root namespace, it will be applied to all applicable
+  // workloads in any namespace.
   WorkloadSelector workload_selector = 3;
 
   // One or more patches with match conditions.