[Federation] Remove federat{ed,ion} prefixes from e2e file names since they are all now scoped under the e2e_federation package.

test/e2e_federation/BUILD

@@ -10,17 +10,17 @@ load(
 go_library(
     name = "go_default_library",
     srcs = [
-        "federated-daemonset.go",
-        "federated-deployment.go",
-        "federated-ingress.go",
-        "federated-namespace.go",
-        "federated-replicaset.go",
-        "federated-secret.go",
-        "federated-service.go",
-        "federation-apiserver.go",
-        "federation-authn.go",
-        "federation-event.go",
-        "federation-util.go",
+        "apiserver.go",
+        "authn.go",
+        "daemonset.go",
+        "deployment.go",
+        "event.go",
+        "ingress.go",
+        "namespace.go",
+        "replicaset.go",
+        "secret.go",
+        "service.go",
+        "util.go",
     ],
     tags = ["automanaged"],
     deps = [