Fix CodeRabbit review findings

- Remove unused primaryTests assignment (not used in execution flow)
- Remove non-idiomatic closing brace comment
- Add clarifying comment about primaryTests not being needed

Author: jluhrsen

pkg/test/ginkgo/cmd_runsuite.go

@@ -622,7 +622,7 @@ func (o *GinkgoRunSuiteOptions) Run(suite *TestSuite, clusterConfig *clusterdisc
 		netpolTests = []*testCase{}
 		buildsTests = []*testCase{}
 		mustGatherTests = []*testCase{}
-		primaryTests = udnIterationTests
+		// Note: primaryTests is not used in execution flow, no need to set it
 	}
 
 	logrus.Infof("Found %d openshift tests", len(openshiftTests))

test/extended/networking/network_segmentation.go

@@ -510,7 +510,7 @@ var _ = Describe("[sig-network][OCPFeatureGate:NetworkSegmentation][Feature:User
 						})),
 					),
 				)
-				} // end iteration loop
+				}
 
 				DescribeTable(
 					"isolates overlapping CIDRs",