Updated init code for fuck

Moved to a plugin, removed "fuck" alias.

aliases/available/fuck.aliases.bash

@@ -1,3 +1,2 @@
 # https://github.com/nvbn/thefuck
-alias fuck='eval $(thefuck $(fc -ln -1))'
 alias please='fuck'

plugins/available/fuck.plugin.bash

@@ -0,0 +1,9 @@
+cite about-plugin
+about-plugin 'Initialization for fuck'
+
+# https://github.com/nvbn/thefuck
+
+if _command_exists thefuck; then
+  # shellcheck disable=SC2046
+  eval $(thefuck --alias)
+fi