remove redundant ifdef block

src/runtime/haskell/Data/Binary/Builder.hs

@@ -422,19 +422,13 @@ shiftr_w16 (W16# w) (I# i) = W16# (w `uncheckedShiftRL#`   i)
 shiftr_w32 (W32# w) (I# i) = W32# (w `uncheckedShiftRL#`   i)
 #endif
 
-
-#if WORD_SIZE_IN_BITS < 64
-shiftr_w64 (W64# w) (I# i) = W64# (w `uncheckedShiftRL64#` i)
-
 #if __GLASGOW_HASKELL__ <= 606
 -- Exported by GHC.Word in GHC 6.8 and higher
 foreign import ccall unsafe "stg_uncheckedShiftRL64"
     uncheckedShiftRL64#     :: Word64# -> Int# -> Word64#
 #endif
 
-#else
 shiftr_w64 (W64# w) (I# i) = W64# (w `uncheckedShiftRL64#` i)
-#endif
 
 #else
 shiftr_w16 = shiftR

src/runtime/haskell/Data/Binary/Get.hs

@@ -543,18 +543,13 @@ shiftl_w16 (W16# w) (I# i) = W16# (w `uncheckedShiftL#`   i)
 shiftl_w32 (W32# w) (I# i) = W32# (w `uncheckedShiftL#`   i)
 #endif
 
-#if WORD_SIZE_IN_BITS < 64
-shiftl_w64 (W64# w) (I# i) = W64# (w `uncheckedShiftL64#` i)
-
 #if __GLASGOW_HASKELL__ <= 606
 -- Exported by GHC.Word in GHC 6.8 and higher
 foreign import ccall unsafe "stg_uncheckedShiftL64"
     uncheckedShiftL64#     :: Word64# -> Int# -> Word64#
 #endif
 
-#else
 shiftl_w64 (W64# w) (I# i) = W64# (w `uncheckedShiftL64#` i)
-#endif
 
 #else
 shiftl_w16 = shiftL

stack.yaml

@@ -1,6 +1,7 @@
 # This default stack file is a copy of stack-ghc9.4.7.yaml
 # But committing a symlink can be problematic on Windows, so it's a real copy.
 # See: https://github.com/GrammaticalFramework/gf-core/pull/106
+
 resolver: lts-21.12
 
 extra-deps: