e2e: remove redundant spaces in test names

The spaces are redundant because Ginkgo will add them itself when concatenating
the different test name components. Upcoming change in the framework will
enforce that there are no such redundant spaces.

hack/conformance/check_conformance_test_requirements.go

@@ -30,7 +30,7 @@ import (
 )
 
 const (
-	//e.g. framework.ConformanceIt("should provide secure master service ", func(ctx context.Context) {
+	// e.g. framework.ConformanceIt("should provide secure master service", func(ctx context.Context) {
 	patternStartConformance = `framework.ConformanceIt\(.*, func\(\) {$`
 	patternEndConformance   = `}\)$`
 	patternSkip             = `e2eskipper.Skip.*\(`