Remove the reload utility function

The reload function no longer works since loaded modules cannot be
reloaded.

modules/utility/functions/reload

@@ -1,14 +0,0 @@
-#
-# Reloads the Zsh configuration.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-# Reloads ~/.zshrc.
-local zshrc="$HOME/.zshrc"
-if [[ -n "$1" ]]; then
-  zshrc="$1"
-fi
-source "$zshrc"
-