Remove H2-reference from test-filename

The ReviewDB is not supported anymore, thus the filename still
containing a reference to H2 was misleading.

Change-Id: I649353af8e5236099d91cead231d7a7eb2d29261
diff --git a/tests/container-images/gerrit-init/test_container_integration_gerrit_init_h2.py b/tests/container-images/gerrit-init/test_container_integration_gerrit_init.py
similarity index 100%
rename from tests/container-images/gerrit-init/test_container_integration_gerrit_init_h2.py
rename to tests/container-images/gerrit-init/test_container_integration_gerrit_init.py