Merge pull request #1485 from massysett/master

Pinchot is GHC 8 compatible

build-constraints.yaml

@@ -117,7 +117,7 @@ packages:
         - cartel
         - Earley
         - ofx
-        # GHC 8 - pinchot
+        - pinchot
         # GHC 8 - validation
 
     "Neil Mitchell":
@@ -2323,11 +2323,6 @@ package-flags:
     jsaddle:
         gtk3: true
 
-    # Only necessary for template-haskell < 2.11, so please
-    # remove this when moving up to GHC 8.0
-    pinchot:
-        oldtemplatehaskell: true
-
 # end of package-flags
 
 # Special configure options for individual packages