Move emacs/electric-indent to emacs/electric

This module will later be expanded to customize more of electric's
functionality.

core/core-modules.el

@@ -10,7 +10,8 @@
   (list (expand-file-name "modules/" doom-private-dir) doom-modules-dir)
   "A list of module root directories. Order determines priority.")
 
-(defconst doom-obsolete-modules ()
+(defconst doom-obsolete-modules
+  '(((:emacs . electric-indent) . (:emacs . electric)))
   "An alist of deprecated modules, mapping deprecated modules to an optional new
 location (which will create an alias). Each CAR and CDR is a (CATEGORY .
 MODULE). E.g.

modules/emacs/electric/autoload.el

@@ -1,4 +1,4 @@
-;;; emacs/electric-indent/autoload.el -*- lexical-binding: t; -*-
+;;; emacs/electric/autoload.el -*- lexical-binding: t; -*-
 
 ;;;###autodef
 (defun set-electric! (modes &rest plist)

modules/emacs/electric/config.el

@@ -1,4 +1,4 @@
-;;; emacs/electric-indent/config.el -*- lexical-binding: t; -*-
+;;; emacs/electric/config.el -*- lexical-binding: t; -*-
 
 ;; Smarter, keyword-based electric-indent