Revert "Add workaround to avoid disabling serial console"

This reverts commit bbf2cb8e1e4d490acf80ce3a5b162d7db5f3e4e2.

This change doesn't seem to be required anymore.

Tested: Booted Palmetto system in QEMU
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I34b3dd17d1fe7427ec12f84c6ad9bb5367f73cf6
diff --git a/common/recipes-core/systemd/systemd_%.bbappend b/common/recipes-core/systemd/systemd_%.bbappend
index 38dd34c..471fd55 100644
--- a/common/recipes-core/systemd/systemd_%.bbappend
+++ b/common/recipes-core/systemd/systemd_%.bbappend
@@ -30,10 +30,6 @@
 do_install_append() {
         install -m 644 ${WORKDIR}/default.network ${D}${libdir}/systemd/network/
         install -m 644 -D ${WORKDIR}/service-restart-policy.conf ${D}${libdir}/systemd/system.conf.d/service-restart-policy.conf
-
-        #TODO Remove after this issue is resolved
-        #https://github.com/openbmc/openbmc/issues/152
-        ln -s /dev/null ${D}/etc/systemd/system/systemd-hwdb-update.service
 }
 
 do_install_append_df-obmc-ubi-fs() {