Revert "set initial input in consult-line"

This reverts commit e1f3a54.

lisp/init-completion.el

@@ -221,9 +221,7 @@ value of the selected COLOR."
  ;; For some commands and buffer sources it is useful to configure the
  ;; :preview-key on a per-command basis using the `consult-customize' macro.
  (consult-customize
- consult-line consult-line-multi
- :initial (selected-region-or-symbol-at-point)
- :preview-key 'any
+ consult-line consult-line-multi :preview-key 'any
  consult-buffer consult-recent-file consult-theme :preview-key '(:debounce 1.0 any)
  consult-goto-line :preview-key '(:debounce 0.5 any)
  consult-ripgrep consult-git-grep consult-grep