Remove modalias in debian/control and debian/rules

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
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# Date:      Wed Apr 8 02:21:50 2020 +0800
#
# On branch bionic
# Your branch is up to date with 'cktenn/bionic'.
#
# Changes to be committed:
#	modified:   debian/changelog
#	modified:   debian/control
#	modified:   debian/rules
#
# Untracked files:
#	debian/files
#
