[geary] help: Ctrl-M shortcut has been removed

[Michael Gratton <mjog src gnome org>]

commit 173dea94fc6bcd4414635e33364c0e509330604b
Author: Federico Bruni <fede inventati org>
Date:   Tue Dec 19 10:00:21 2017 +0100

    help: Ctrl-M shortcut has been removed
    
    See commit 54ba285a

 help/C/accounts.page |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/help/C/accounts.page b/help/C/accounts.page
index 8839d9a..c3e0f23 100644
--- a/help/C/accounts.page
+++ b/help/C/accounts.page
@@ -19,9 +19,8 @@
        <p>Additional accounts can be added from the Accounts dialog.  The <gui>Accounts</gui> option is
        available in either Geary's application menu or the gear menu in the upper-right of the
        toolbar.  (The location depends on the install desktop shell.  For GNOME Shell and Unity, the
-       application menu is available near the top-left corner of the screen.)  Alternately,
-       <keyseq><key>Ctrl</key><key>M</key></keyseq> will open the Accounts
-       dialog.  To add an account, click the + button.</p>
+       application menu is available near the top-left corner of the screen.)
+       To add an account, click the + button.</p>
        </section>
        
        <section id="editing-accounts">