Transfer haskell-src to Stefan Wehr

Author: andreasabel

build-constraints.yaml

@@ -131,7 +131,6 @@ packages:
         - Sit
 
         - alex
-        - haskell-src
         - ListLike
         - MissingH
         - regex-base
@@ -1068,6 +1067,7 @@ packages:
         - clock
 
     "Stefan Wehr <[email protected]> @skogsbaer":
+        - haskell-src
         - HTF
         - xmlgen
         - stm-stats