cabal file cleanup

ips.cabal

@@ -7,32 +7,29 @@ license: WTFPL
 author: rhiannon morris <rhi@rhiannon.website>
 maintainer: rhiannon morris <rhi@rhiannon.website>
 
+homepage: https://git.rhiannon.website/rhi/ips
+bug-reports: https://git.rhiannon.website/rhi/ips/issues
+
+source-repository head
+  type: git
+  location: git://git.rhiannon.website/rhi/ips.git
+
 common deps
   default-language: Haskell2010
   default-extensions:
     BangPatterns,
     BlockArguments,
     DerivingStrategies,
-    DuplicateRecordFields,
-    FlexibleContexts,
     GeneralizedNewtypeDeriving,
     NamedFieldPuns,
-    OverloadedStrings,
-    TupleSections
+    OverloadedStrings
   build-depends:
     base       ^>= 4.14.1.0,
     bytestring ^>= 0.11.1.0,
     vector     ^>= 0.12.2.0,
     attoparsec ^>= 0.13.2.5,
     primitive  ^>= 0.7.1.0
-  ghc-options:
-    -Wall
-
-common exe
-  build-depends:
-    ips
-  ghc-options:
-    -threaded -rtsopts -with-rtsopts=-N
+  ghc-options: -Wall
 
 library
   import: deps
@@ -45,6 +42,7 @@ library
     IPS.Apply
 
 executable ips
-  import: deps, exe
+  import: deps
+  build-depends: ips
   hs-source-dirs: main
   main-is: ips.hs