Drop generics-rep dependency as its now included in prelude (#121)

* Drop generics-rep dependency as its now included in prelude

* Fix module name for genericShow

Author: JordanMartinez

bower.json

@@ -29,7 +29,6 @@
     "purescript-exceptions": "master",
     "purescript-foldable-traversable": "master",
     "purescript-gen": "master",
-    "purescript-generics-rep": "master",
     "purescript-identity": "master",
     "purescript-integers": "master",
     "purescript-lazy": "master",

test/Main.purs

@@ -8,7 +8,7 @@ import Data.Array.Partial (head)
 import Data.Either (isLeft)
 import Data.Foldable (sum)
 import Data.Generic.Rep (class Generic)
-import Data.Generic.Rep.Show (genericShow)
+import Data.Show.Generic (genericShow)
 import Data.Tuple (fst)
 import Effect (Effect)
 import Effect.Console (log, logShow)