Do not guard AV1 SVC tests on VP9 define

BUG=None

Change-Id: Id10bb49c266319eb387f0dd2e9c4327b8a5eb944
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/339800
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#41746}

pc/test/svc_e2e_tests.cc

@@ -454,6 +454,7 @@ INSTANTIATE_TEST_SUITE_P(
         Values(UseDependencyDescriptor::Disabled,
                UseDependencyDescriptor::Enabled)),
     SvcTestNameGenerator);
+#endif
 
 INSTANTIATE_TEST_SUITE_P(
     SvcTestAV1,
@@ -503,6 +504,4 @@ INSTANTIATE_TEST_SUITE_P(
             Values(UseDependencyDescriptor::Enabled)),
     SvcTestNameGenerator);
 
-#endif
-
 }  // namespace webrtc