impr: relaunch fzf only when necessary

src/sh/cligit.sh

@@ -1,25 +0,0 @@
-if [ "${1:-}" = "--git-init" ]; then
-  shift
-  if [ -n "${GIT:-}" ]; then
-    err "Git already enabled"
-    return 1
-  fi
-  if ! command -v "git" >/dev/null; then
-    err "Git not installed"
-    return 1
-  fi
-  git -C "$ROOT" init
-  git -C "$ROOT" add -A
-  git -C "$ROOT" commit -m 'Initial commit: Start git tracking'
-  exit
-fi
-
-if [ "${1:-}" = "--git" ]; then
-  shift
-  if [ -z "${GIT:-}" ]; then
-    err "Git not supported, run \`$0 --git-init\` first"
-    return 1
-  fi
-  $GIT "$@"
-  exit
-fi