Remove pyenv and add new shell theme

I enjoyed bobthefish quite a bit, but the nerd fonts on the CLI were
screwing up Emacs, and that's a non-starter for me.

One thing I like about cmorrell is that it has the host in the terminal
line, so I can tell which machine I'm on.

config/fish/completions/pyenv.bash

@@ -1,16 +0,0 @@
-_pyenv() {
-  COMPREPLY=()
-  local word="${COMP_WORDS[COMP_CWORD]}"
-
-  if [ "$COMP_CWORD" -eq 1 ]; then
-    COMPREPLY=( $(compgen -W "$(pyenv commands)" -- "$word") )
-  else
-    local words=("${COMP_WORDS[@]}")
-    unset words[0]
-    unset words[$COMP_CWORD]
-    local completions=$(pyenv completions "${words[@]}")
-    COMPREPLY=( $(compgen -W "$completions" -- "$word") )
-  fi
-}
-
-complete -F _pyenv pyenv

config/fish/completions/pyenv.fish

@@ -1,23 +0,0 @@
-function __fish_pyenv_needs_command
-  set cmd (commandline -opc)
-  if [ (count $cmd) -eq 1 -a $cmd[1] = 'pyenv' ]
-    return 0
-  end
-  return 1
-end
-
-function __fish_pyenv_using_command
-  set cmd (commandline -opc)
-  if [ (count $cmd) -gt 1 ]
-    if [ $argv[1] = $cmd[2] ]
-      return 0
-    end
-  end
-  return 1
-end
-
-complete -f -c pyenv -n '__fish_pyenv_needs_command' -a '(pyenv commands)'
-for cmd in (pyenv commands)
-  complete -f -c pyenv -n "__fish_pyenv_using_command $cmd" -a \
-    "(pyenv completions (commandline -opc)[2..-1])"
-end

config/fish/completions/pyenv.zsh

@@ -1,18 +0,0 @@
-if [[ ! -o interactive ]]; then
-    return
-fi
-
-compctl -K _pyenv pyenv
-
-_pyenv() {
-  local words completions
-  read -cA words
-
-  if [ "${#words}" -eq 2 ]; then
-    completions="$(pyenv commands)"
-  else
-    completions="$(pyenv completions ${words[2,-2]})"
-  fi
-
-  reply=(${(ps:\n:)completions})
-}