refactor(php): drop phpactor in favor of intelephense

phpactor still has flaky support for laravel and the ide_helper while
intelephense already handles all of this automagically and gracefully.
Sticking with intelephense now that it is also working correctly in my
neovim setup.

Author: 99linesofcode

flake.nix

@@ -55,9 +55,9 @@
           default = mkShell {
             packages = [
               markdownlint-cli2
+              nodePackages.intelephense
               nodePackages.nodejs
               nodePackages.pnpm
-              phpactor
               phpEnv
               phpEnv.packages.composer
               vale