Config: Strip down and simplify Emacs config

- Remove consult-dir, nerd-icons-completion, org-contrib and some other unused package
- Delete init-org-refile.el and related keybindings
- Prune EMMS config
- Remove EXWM flatpak launcher helpers (vscodium, localsend, steam)
- Extract Windows dirvish video preview fix to standalone module
- Drop built-in settings moved elsewhere (startup defaults, whitespace, etc.)
- Clean up trailing whitespace / process list prettify configs

lisp/init-startup.el

@@ -90,23 +90,6 @@
 (if (boundp 'use-short-answers)
     (setq use-short-answers t)
   (fset 'yes-or-no-p 'y-or-n-p))
-(setq-default major-mode 'text-mode
-              fill-column 100
-              tab-width 4
-              indent-tabs-mode nil)
-
-(setq visible-bell t
-      inhibit-compacting-font-caches t  ; Don’t compact font caches during GC
-      delete-by-moving-to-trash t       ; Deleting files go to OS's trash folder
-      ;; make-backup-files nil             ; Forbide to make backup files
-      ;; auto-save-default nil             ; Disable auto save
-
-      uniquify-buffer-name-style 'post-forward-angle-brackets ; Show path if names are same
-      adaptive-fill-regexp "[ t]+|[ t]*([0-9]+.|*+)[ t]*"
-      adaptive-fill-first-line-regexp "^* *$"
-      sentence-end "\\([。！？]\\|……\\|[.?!][]\"')}]*\\($\\|[ \t]\\)\\)[ \t\n]*"
-      sentence-end-double-space nil
-      word-wrap-by-category t)
 
 (provide 'init-startup)