Remove deprecated patch.

# Please enter the commit message for your changes. Lines starting
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# On branch master
# Your branch is ahead of 'origin/master' by 4 commits.
#
# Changes to be committed:
#   (use "git reset HEAD^1 <file>..." to unstage)
#
#	deleted:    debian/patches/disableGLHeaderCheck.patch
#	modified:   debian/patches/series
#
