delete useless func

Author: wyuenho

lsp-completion.el

@@ -547,16 +547,6 @@ Returns resolved completion item details."
          (string-lessp label-left label-right)
        (string-lessp sort-text-left sort-text-right)))))
 
-(defun lsp-completion--make-items (items markers prefix)
-  "Make completion candidates for CAPF.
-
-ITEMS are raw LSP CompletionItems, MARKERS are buffer boundary positions
-of the PREFIX string."
-  (-map
-   (lambda (item)
-     (lsp-completion--make-item item :markers markers :prefix prefix))
-   (lsp-completion--filter-candidates items)))
-
 ;;;###autoload
 (defun lsp-completion-at-point ()
   "Get lsp completions."