Revert "Use native Ginkgo test runner instead of cmd/e2e"

hack/lib/golang.sh

@@ -44,6 +44,7 @@ readonly KUBE_CLIENT_BINARIES_WIN=("${KUBE_CLIENT_BINARIES[@]/%/.exe}")
 
 # The set of test targets that we are building for all platforms
 readonly KUBE_TEST_TARGETS=(
+  cmd/e2e
   cmd/integration
   cmd/gendocs
   cmd/genman
@@ -58,7 +59,6 @@ readonly KUBE_TEST_PORTABLE=(
   hack/e2e-suite
   hack/e2e-internal
   hack/ginkgo-e2e.sh
-  hack/lib
 )
 
 # If we update this we need to also update the set of golang compilers we build