base-files: remove pkg_preinst - it is exactly what oe-core does

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

recipes-core/base-files/base-files_%.bbappend

@@ -2,26 +2,6 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 BASEFILESISSUEINSTALL = "do_install_angstromissue"
 
-# In previous versions of base-files, /run was a softlink to /var/run and the
-# directory was located in /var/volatlie/run.  Also, /var/lock was a softlink
-# to /var/volatile/lock which is where the real directory was located.  Now,
-# /run and /run/lock are the real directories.  If we are upgrading, we may
-# need to remove the symbolic links first before we create the directories.
-# Otherwise the directory creation will fail and we will have circular symbolic
-# links.
-# 
-pkg_preinst_${PN} () {
-    #!/bin/sh -e
-    if [ x"$D" = "x" ]; then
-        rm -rf /var/lock
-
-        if [ -h "/run" ]; then
-            # Remove the symbolic link
-            rm -f /run
-        fi
-    fi     
-}
-
 do_install_angstromissue () {
     echo ${MACHINE} > ${D}${sysconfdir}/hostname