Remove two patches that were incorrectly put in the port directory. Reset the MCom tag while
here.


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19465 df743ca5-7f9a-e211-a948-0013205c9059
Try to improve/fix the su/sudo exectution detection code.

[1] https://bugzilla.gnome.org/show_bug.cgi?id=727799


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19466 df743ca5-7f9a-e211-a948-0013205c9059
Use python only as a build depends. That would allow the removal of python2
if needed.

Discussed with: kwm


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19467 df743ca5-7f9a-e211-a948-0013205c9059