feature/{syntax-checker,spellcheck} -> tools/fly{check,spell}

modules/lang/haskell/+dante.el

@@ -14,7 +14,7 @@
                            "-fdefer-typed-holes"
                            "-fdefer-type-errors"))
   :config
-  (when (featurep! :feature syntax-checker)
+  (when (featurep! :tools flycheck)
     (flycheck-add-next-checker 'haskell-dante '(warning . haskell-hlint)))
 
   (set-company-backend! 'dante-mode #'dante-company)

modules/lang/haskell/+intero.el

@@ -16,7 +16,7 @@ This is necessary because `intero-mode' doesn't do its own error checks."
   (setq haskell-compile-cabal-build-command "stack build --fast")
   (set-lookup-handlers! 'intero-mode :definition #'intero-goto-definition)
   (set-company-backend! 'intero-mode 'intero-company)
-  (when (featurep! :feature syntax-checker)
+  (when (featurep! :tools flycheck)
     (flycheck-add-next-checker 'intero '(warning . haskell-hlint)))
 
   (when (featurep 'evil)

modules/lang/haskell/config.el

@@ -9,7 +9,7 @@
 (after! haskell-mode
   (setq haskell-process-suggest-remove-import-lines t  ; warnings for redundant imports etc
         haskell-process-auto-import-loaded-modules t)
-  (when (featurep! :feature syntax-checker)
+  (when (featurep! :tools flycheck)
     (setq haskell-process-show-overlays nil))  ; flycheck makes this unnecessary
   (add-hook! 'haskell-mode-hook
     #'(haskell-collapse-mode  ; support folding haskell code blocks