Update git submodules

* Update helpcontent2 from branch 'master'
  to 67dd141b0f05a334a51a36d14cbe666559949715
  - Remove a tautology and fix a grammar error
    
    Change-Id: I6d8e582f2023c488ebd74a29aeac3360d621ed02
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/166566
    Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
    Tested-by: Jenkins
    
diff --git a/helpcontent2 b/helpcontent2
index d50121f..67dd141b 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit d50121f44bc54b22ccc603093cf5fd0b75f26155
Subproject commit 67dd141b0f05a334a51a36d14cbe666559949715