Minor refactors across the board

- when-let* -> when-let
- Fix projectile-locate-dominating-file for connected remote files

modules/app/irc/config.el

@@ -98,7 +98,7 @@ playback.")
 
   (defun +irc*circe-truncate-nicks ()
     "Truncate long nicknames in chat output non-destructively."
-    (when-let* ((beg (text-property-any (point-min) (point-max) 'lui-format-argument 'nick)))
+    (when-let (beg (text-property-any (point-min) (point-max) 'lui-format-argument 'nick))
       (goto-char beg)
       (let ((end (next-single-property-change beg 'lui-format-argument))
             (nick (plist-get (plist-get (text-properties-at beg) 'lui-keywords)

modules/app/regex/autoload/regex.el

@@ -259,7 +259,7 @@ __DATA__
           (overlay-put ov 'category '+regex))
         (cl-incf i)
         (dotimes (i 10)
-          (when-let* ((text (match-string i)))
+          (when-let (text (match-string i))
             (save-match-data
               (with-current-buffer +regex--groups-buffer
                 (goto-char (point-max))

modules/app/rss/autoload.el

@@ -71,7 +71,7 @@
         (show-buffers (doom-buffers-in-mode 'elfeed-show-mode))
         kill-buffer-query-functions)
     (dolist (file +rss-elfeed-files)
-      (when-let* ((buf (get-file-buffer (expand-file-name file org-directory))))
+      (when-let (buf (get-file-buffer (expand-file-name file org-directory)))
         (kill-buffer buf)))
     (dolist (b search-buffers)
       (with-current-buffer b