Fix Renegotiate-Client-NoExt test.

This test shouldn't trigger a renegotiation: the test is trying to
assert that without the legacy-server flag set, a server that doesn't
echo the renegotiation extension can't be connected to.

Change-Id: I1368d15ebc8f296f3ff07040c0e6c48fdb49e56f
Reviewed-on: https://boringssl-review.googlesource.com/5141
Reviewed-by: Adam Langley <agl@google.com>

ssl/test/runner/runner.go

@@ -3115,8 +3115,7 @@ func addRenegotiationTests() {
 		expectedError: ":RENEGOTIATION_MISMATCH:",
 	})
 	testCases = append(testCases, testCase{
-		name:        "Renegotiate-Client-NoExt",
-		renegotiate: true,
+		name: "Renegotiate-Client-NoExt",
 		config: Config{
 			Bugs: ProtocolBugs{
 				NoRenegotiationInfo: true,