[pan] CI: remove --with-gmime30 obsolete option

[Dominique Dumont <ddumont src gnome org>]

commit ea76dba3c4b5c8831161bc986617236e9fc5a212
Author: Dominique Dumont <dod debian org>
Date:   Mon Oct 18 19:21:55 2021 +0200

    CI: remove --with-gmime30 obsolete option
    
    gmime3 is now used by default

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d25bed4..1aa35af 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,7 +21,7 @@ build-ubuntu-gtk2:
         libgnutls28-dev
         yelp-tools
   script:
-    - ./autogen.sh --without-gtk3 --with-gnutls --with-dbus --with-gmime-crypto --with-gtkspell 
--enable-libnotify --enable-gkr --enable-manual --with-gmime30
+    - ./autogen.sh --without-gtk3 --with-gnutls --with-dbus --with-gmime-crypto --with-gtkspell 
--enable-libnotify --enable-gkr --enable-manual
     - make
     - make check
 
@@ -49,6 +49,6 @@ build-ubuntu-gtk3:
         yelp-tools
 
   script:
-    - ./autogen.sh --with-gtk3 --with-gnutls --with-dbus --with-gmime-crypto --with-gtkspell 
--enable-libnotify --enable-gkr --enable-manual --with-gmime30
+    - ./autogen.sh --with-gtk3 --with-gnutls --with-dbus --with-gmime-crypto --with-gtkspell 
--enable-libnotify --enable-gkr --enable-manual
     - make
     - make check