Revert "Include m4 which seems required"

This reverts commit c320f4ae038d4fe1fdcd5c8334f88eef27a8fbee.

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   .gitignore
#	deleted:    m4/libtool.m4
#	deleted:    m4/ltoptions.m4
#	deleted:    m4/ltsugar.m4
#	deleted:    m4/ltversion.m4
#	deleted:    m4/lt~obsolete.m4
#
# Changes not staged for commit:
#   (use "git add <file>..." to update what will be committed)
#   (use "git checkout -- <file>..." to discard changes in working directory)
#
#	modified:   debian/control
#	modified:   debian/rules
#
