Fix jump handlers conflict for haskell and intero

CHANGELOG.develop

@@ -1238,6 +1238,7 @@ Benner and Paweł Siudak):
   - ~SPC r i~ runs new =spacemacs/haskell-format-imports= function
   - ~SPC m g b~ returns from definition in =intero-mode=
     (thanks to Magnus Therning)
+- Fix jump handlers conflict for haskell and intero (thanks to CthulhuDen)
 **** Helm
 - Limited =ripgrep= results to 512 columns by default, and added
   =spacemacs-helm-rg-max-column-number= layer variable to configure the above

layers/+lang/haskell/config.el

@@ -14,7 +14,6 @@
 (setq haskell-modes '(haskell-mode literate-haskell-mode))
 
 (spacemacs|define-jump-handlers haskell-mode haskell-mode-jump-to-def-or-tag)
-(spacemacs|define-jump-handlers intero-mode intero-goto-definition)
 
 (defvar haskell-completion-backend 'ghci
   "Completion backend used by company.

layers/+lang/haskell/packages.el

@@ -114,7 +114,7 @@
       :modes haskell-mode)
     (add-hook 'haskell-mode-hook 'interactive-haskell-mode)
     (add-hook 'haskell-mode-hook 'intero-mode)
-    (add-to-list 'spacemacs-jump-handlers 'intero-goto-definition)
+    (add-to-list 'spacemacs-jump-handlers-haskell-mode 'intero-goto-definition)
     :config
     (progn
       (spacemacs|diminish intero-mode " λ" " \\")