Remove :emacs imenu module

Some of it was moved into core as reasonable defaults, but the rest of
it doesn't warrant a whole module dedicated to it.

core/core-editor.el

@@ -253,6 +253,13 @@ savehist file."
          (helpful-variable (button-get button 'apropos-symbol)))))))
 
 
+(def-package! imenu
+  :defer t
+  :config
+  (add-hook 'imenu-after-jump-hook #'better-jumper-set-jump)
+  (add-hook 'imenu-after-jump-hook #'recenter))
+
+
 (def-package! smartparens
   ;; Auto-close delimiters and blocks as you type. It's more powerful than that,
   ;; but that is all Doom uses it for.

init.example.el

@@ -59,7 +59,6 @@
        ;;+icons          ; colorful icons for dired-mode
         )
        electric          ; smarter, keyword-based electric-indent
-       imenu             ; an imenu sidebar and searchable code index
        vc                ; version-control and Emacs, sitting in a tree
 
        :term

modules/config/default/+evil-bindings.el

@@ -530,7 +530,6 @@
         :desc "Search buffer"                 "b" #'swiper
         :desc "Search current directory"      "d" #'+default/search-from-cwd
         :desc "Jump to symbol"                "i" #'imenu
-        :desc "Jump to symbol across buffers" "I" #'imenu-anywhere
         :desc "Jump to link"                  "l" #'ace-link
         :desc "Look up online"                "o" #'+lookup/online-select
         :desc "Look up in local docsets"      "k" #'+lookup/in-docsets
@@ -705,8 +704,6 @@
         (:when (featurep! :ui treemacs)
           :desc "Project sidebar" "p" #'+treemacs/toggle
           :desc "Find file in project sidebar" "P" #'+treemacs/find-file)
-        (:when (featurep! :emacs imenu)
-          :desc "Imenu sidebar" "i" #'imenu-list-smart-toggle)
         (:when (featurep! :emacs term)
           :desc "Terminal"          "t" #'+term/open
           :desc "Terminal in popup" "T" #'+term/open-popup-in-project)

modules/emacs/imenu/config.el

@@ -1,13 +0,0 @@
-;;; emacs/imenu/config.el -*- lexical-binding: t; -*-
-
-;; `imenu-anywhere'
-(setq imenu-anywhere-delimiter ": ")
-
-(add-hook 'imenu-after-jump-hook #'better-jumper-set-jump)
-
-
-(after! imenu-list
-  (setq imenu-list-idle-update-delay 0.5)
-
-  (set-popup-rule! "^\\*Ilist"
-    :side 'right :size 35 :quit nil :select nil :ttl 0))

modules/emacs/imenu/packages.el

@@ -1,5 +0,0 @@
-;; -*- no-byte-compile: t; -*-
-;;; emacs/imenu/packages.el
-
-(package! imenu-anywhere)
-(package! imenu-list)