remove git-hub functions

modules/git/functions/git-hub-browse

@@ -1,58 +0,0 @@
-#
-# Opens a GitHub repository in the default browser.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-if ! is-true "$(git rev-parse --is-inside-work-tree 2> /dev/null)"; then
-  print "$0: not a repository work tree: $PWD" >&2
-  return 1
-fi
-
-local remotes remote references reference file url
-
-remote="${1:-origin}"
-remotes=($(git config --get-regexp 'remote.*.url' | cut -d. -f2))
-
-if (( $remotes[(i)$remote] == $#remotes + 1 )); then
-  print "$0: remote not found: $remote" >&2
-  return 1
-fi
-
-url=$(
-  git config --get "remote.${remote}.url" \
-    | sed -En "s/(git|https?)(@|:\/\/)github.com(:|\/)(.+)\/(.+).git/https:\/\/github.com\/\4\/\5/p"
-)
-
-reference="${${2:-$(git-branch-current)}:-HEAD}"
-references=(
-  HEAD
-  ${$(git ls-remote --heads --tags "$remote" | awk '{print $2}')##refs/(heads|tags)/}
-)
-
-if (( $references[(i)$reference] == $#references + 1 )); then
-  print "$0: branch or tag not found: $reference" >&2
-  return 1
-fi
-
-if [[ "$reference" == 'HEAD' ]]; then
-  reference="$(git rev-parse HEAD 2>/dev/null)"
-fi
-
-file="$3"
-
-if [[ -n "$url" ]]; then
-  url="${url}/tree/${reference}/${file}"
-
-  if (( $+commands[$BROWSER] )); then
-    "$BROWSER" "$url"
-    return 0
-  else
-    print "$0: browser not set or set to a non-existent browser" >&2
-    return 1
-  fi
-else
-  print "$0: not a Git repository or remote not set" >&2
-  return 1
-fi

modules/git/functions/git-hub-shorten-url

@@ -1,22 +0,0 @@
-#
-# Shortens GitHub URLs.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-local url="$1"
-
-if [[ "$url" == '-' ]]; then
-  read url <&0
-fi
-
-if [[ -z "$url" ]]; then
-  print "usage: $0 [ url | - ]" >&2
-fi
-
-if (( $+commands[curl] )); then
-  curl -s -i 'http://git.io' -F "url=$url" | sed -n 's/^Location: //p'
-else
-  print "$0: command not found: curl" >&2
-fi