Use just one file with deps

Signed-off-by: Michal Čihař <michal@cihar.com>

.scrutinizer.yml

@@ -17,7 +17,6 @@ build:
         override:
             - pip install https://github.com/translate/translate/zipball/de3f080abf6f2fecfca97d283a58eb6824d8078e
             - pip install -r ci/requirements-scrutinizer.txt
-            - pip install -r requirements-optional.txt
     tests:
         override:
             -

ci/requirements-scrutinizer.txt

+-r requirements.txt
+# Copy of requirements-optional.txt without python_version modifiers
+pyuca>=1.1
+pyLibravatar
+py3dns
+Babel
+chardet
+python-memcached
+# Test
 httpretty!=0.8.11
 coverage