Drop unused dependencies from -core

Author: sorki

servant-swagger-ui-core/servant-swagger-ui-core.cabal

@@ -39,13 +39,10 @@ library
       base                 >=4.7      && <4.16
     , blaze-markup         >=0.7.0.2  && <0.9
     , bytestring           >=0.10.4.0 && <0.11
-    , http-media           >=0.7.1.3  && <0.9
     , servant              >=0.14     && <0.19
     , servant-blaze        >=0.8      && <0.10
     , servant-server       >=0.14     && <0.19
     , text                 >=1.2.3.0  && <1.3
-    , transformers         >=0.3      && <0.6
-    , transformers-compat  >=0.3      && <0.7
     , wai-app-static       >=3.0.1.1  && <3.2
 
   exposed-modules:  Servant.Swagger.UI.Core