Ditch separate database-test on grounds of this being adequately tested elsewhere

Author: DRMacIver

database-test.sh

@@ -16,15 +16,13 @@ commands =
     coverage run --rcfile=.coveragerc -m pytest --strict tests/cover
     coverage report -m --fail-under=100 --show-missing
     py.test -v tests/nocover
-     ./database-test.sh
     ./extra-test.sh
 
 [testenv:pypy]
 deps =
     pytest
 commands =
     ./basic-test.sh
-    ./database-test.sh
 
 [testenv:pypy3]
 deps =