Remove postrm and postinst

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Date:      Fri Mar 13 16:19:50 2020 +0800
#
# On branch master
# Your branch is up to date with 'origin/master'.
#
# Changes to be committed:
#	modified:   debian/changelog
#	deleted:    debian/postinst
#	deleted:    debian/postrm
#
# Untracked files:
#	debian/.debhelper/
#	debian/files
#	debian/oem-fix-eth-realtek-disabletlpr8153.debhelper.log
#	debian/oem-fix-eth-realtek-disabletlpr8153.substvars
#	debian/oem-fix-eth-realtek-disabletlpr8153/
#	debian/oem-fix-tlp-realtek-lp1819812-blacklistr8153.debhelper.log
#	debian/oem-fix-tlp-realtek-lp1819812-blacklistr8153.substvars
#	debian/oem-fix-tlp-realtek-lp1819812-blacklistr8153/
#
