debian: Fix service-mgmt-api packaging issues

- Removed unneeded dependencies.
- Install systemd services in the correct directory.
- Enabled systemd preset so that the packaging is starting
  correctly when the server boots.

Test Plan
PASS Build and test ISO.
PASS Check sm service has started.

Story: 2009101
Task: 44678

Depends-On: https://review.opendev.org/c/starlingx/integ/+/831950

Signed-off-by: Chuck Short <charles.short@windriver.com>
Change-Id: I05f7f559f14892eaede069930398359b3d26f6e5

service-mgmt-api/debian/deb_folder/control

@@ -7,7 +7,6 @@ Build-Depends: debhelper-compat (= 13),
  python3-all,
  python3-setuptools,
  python3-wheel,
- libsystemd-dev
 Build-Depends-Indep:
  python3-eventlet,
  python3-httplib2,
@@ -29,9 +28,8 @@ Rules-Requires-Root: no
 
 Package: sm-api
 Architecture: all
-Depends: python3:any, ${python3:Depends}, ${misc:Depends},
+Depends: ${python3:Depends}, ${misc:Depends},
  python3-six,
- systemd,
  mtce-pmon,
  python3-eventlet,
  python3-httplib2,

service-mgmt-api/debian/deb_folder/rules

@@ -22,13 +22,16 @@ override_dh_install:
 	install -d $(ROOT)/etc/sm
 	install -d $(ROOT)/etc/init.d
 	install -d $(ROOT)/etc/pmon.d
-	install -d $(ROOT)/usr/lib/systemd/system/
+	install -d $(ROOT)/lib/systemd/system/
 	install -m 644 -p -D scripts/sm_api.ini $(ROOT)/etc/sm
 	install -m 755 -p -D scripts/sm-api $(ROOT)/etc/init.d
-	install -m 644 -p -D scripts/sm-api.service $(ROOT)/usr/lib/systemd/system/
+	install -m 644 -p -D scripts/sm-api.service $(ROOT)/lib/systemd/system/
 	install -m 644 -p -D scripts/sm-api.conf $(ROOT)/etc/pmon.d
 
 	dh_install
 
 override_dh_python3:
 	dh_python3 --shebang=/usr/bin/python3
+
+override_dh_installsystemd:
+	dh_installsystemd -psm-api sm-api.service

service-mgmt-api/debian/deb_folder/sm-api.dirs

@@ -1,3 +1 @@
 etc/sm
-usr/lib/python3/dist-packages/sm_api
-usr/lib/python3/dist-packages/sm_api-1.0.0.egg-info

service-mgmt-api/debian/deb_folder/sm-api.install

@@ -3,5 +3,7 @@ usr/bin/sm-api
 etc/init.d/sm-api
 etc/pmon.d/sm-api.conf
 etc/sm/sm_api.ini
-usr/lib/systemd/system/*
-usr/lib/python*/dist-packages/*
+lib/systemd/system/*
+usr/lib/python3*
+debian/systemd/00-sm-api.preset etc/systemd/system-preset
+

service-mgmt-api/debian/deb_folder/systemd/00-sm-api.preset

@@ -0,0 +1 @@
+enable sm-api.service