Minor refactors across the board

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

core/core-modules.el

@@ -112,7 +112,7 @@ non-nil."
 (defun doom-module-get (category module &optional property)
   "Returns the plist for CATEGORY MODULE. Gets PROPERTY, specifically, if set."
   (declare (pure t) (side-effect-free t))
-  (when-let* ((plist (gethash (cons category module) doom-modules)))
+  (when-let (plist (gethash (cons category module) doom-modules))
     (if property
         (plist-get plist property)
       plist)))
@@ -278,7 +278,7 @@ If ALL-P is non-nil, return paths of possible modules, activated or otherwise."
                        (require ',name)
                      ((debug error)
                       (message "Failed to load deferred package %s: %s" ',name e)))
-                   (when-let* ((deferral-list (assq ',name doom--deferred-packages-alist)))
+                   (when-let (deferral-list (assq ',name doom--deferred-packages-alist))
                      (dolist (hook (cdr deferral-list))
                        (advice-remove hook #',fn)
                        (remove-hook hook #',fn))