Drop support for prism-mode

Many times when I run `prism-mode` the contrast between the colors isn't strong
enough. This is unfortunate because I really like the idea.

Perhaps one day I can submit a PR to ensure that it uses the highest-contrast
colors available to it.

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

@@ -92,9 +92,6 @@
   :config
   (general-add-hook 'emacs-lisp-mode #'ielm-mode))
 
-;; Prefer scope-highlighting instead of syntax highlighting for Elisp.
-(add-hook 'emacs-lisp-mode #'prism-mode)
-
 ;; TODO: Should I be using `general-define-key' or `evil-leader/set-key'?  My
 ;; gut say `general-define-key'.
 (general-define-key

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

@@ -90,10 +90,6 @@
 ;; alternative to help
 (use-package helpful)
 
-;; Similar to Douglas Crockford's idea of scope highlighting instead of syntax
-;; highlighting.
-(use-package prism)
-
 ;; Superior Elisp library for working with dates and times.
 ;; TODO: Put this where my other installations for dash.el, s.el, a.el, and
 ;; other utility Elisp libraries are located.

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

@@ -9,12 +9,6 @@
 
 ;;; Code:
 
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Dependencies
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(require 'prism)
-
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Configuration
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -23,7 +17,5 @@
   :config
   (add-hook 'python-mode-hook #'py-yapf-enable-on-save))
 
-(add-hook 'python-mode-hook #'prism-mode)
-
 (provide 'wpc-python)
 ;;; wpc-python.el ends here