Replace obsolete functions/commands

modules/app/email/config.el

@@ -55,7 +55,6 @@
         mu4e-view-show-addresses t
         mu4e-headers-skip-duplicates t
         ;; try to show images
-        mu4e-show-images t
         mu4e-view-show-images t
         mu4e-view-image-max-width 800
         ;; rename files when moving (required for mbsync)

modules/app/present/config.el

@@ -79,7 +79,7 @@
         (cond (org-tree-slide-mode
                (org-indent-mode -1)
                (text-scale-set +present-scale)
-               (ignore-errors (org-preview-latex-fragment '(4)))
+               (ignore-errors (org-toggle-latex-fragment '(4)))
                (set-face-attribute 'org-level-2 nil :height 1.4))
               (t
                (org-indent-mode +1)