Drop support for extending Emacs's default word regex

This was causing problems with my Emacs initialization. I don't have time to
troubleshoot, so I'm removing this for now.

configs/shared/emacs/.emacs.d/wpc/packages/wpc-keybindings.el

@@ -16,15 +16,6 @@
   (setq evil-want-integration nil)
   (general-evil-setup)
   :config
-  ;; ensure [_-] are part of \w character set
-  ;; Note: there must be a better way to accomplish this.
-  (progn
-    ;; underscore
-    (modify-syntax-entry ?_ "w" sh-mode-syntax-table)
-
-    ;; dash
-    (modify-syntax-entry ?- "w" sh-mode-syntax-table)
-    (modify-syntax-entry ?- "w" emacs-lisp-mode-syntax-table))
   (general-mmap
     :keymaps 'override
     "RET" #'evil-goto-line