lsp-ivy is in MELPA.

init/programming/c++.el

@@ -1,6 +1,6 @@
 ;;; c++.el --- C++ settings. -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2019-10-27T20:06:26+00:00>
+;; Time-stamp: <2019-11-04T10:10:29+00:00>
 
 ;;; Commentary:
 
@@ -125,10 +125,8 @@
     (push 'company-lsp company-backends)
     )
 
-  ;; Not in MELPA yet, doesn't do much yet. Keep an eye on this.
-  ;; <https://github.com/emacs-lsp/lsp-ivy>
+  ;; ivy interface to lsp-mode.
   (use-package lsp-ivy
-    :load-path "~/.emacs.d/custom-packages/lsp-ivy"
     :after (lsp-mode ivy)
     )
   ) ; unless slow-computer.