migrate_localcount: Drop long obsolete code

If BB_URI_LOCALCOUNT isn't set, the code does nothing. That code was removed in 2012:

https://git.yoctoproject.org/poky/commit/?id=d0f35207f9e19b440393a79ebf621649c495738d

Therefore drop the rest of it!

(From OE-Core rev: fca25fc4d7721f85f64c942307ebe7ba9f2fad3e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/migrate_localcount.bbclass

@@ -1,52 +0,0 @@
-#
-# Copyright OpenEmbedded Contributors
-#
-# SPDX-License-Identifier: MIT
-#
-
-PRSERV_DUMPDIR ??= "${LOG_DIR}/db"
-LOCALCOUNT_DUMPFILE ??= "${PRSERV_DUMPDIR}/prserv-localcount-exports.inc"
-
-python migrate_localcount_handler () {
-    import bb.event
-    if not e.data:
-        return
-
-    pv = e.data.getVar('PV')
-    if not 'AUTOINC' in pv:
-        return
-
-    localcounts = bb.persist_data.persist('BB_URI_LOCALCOUNT', e.data)
-    pn = e.data.getVar('PN')
-    revs = localcounts.get_by_pattern('%%-%s_rev' % pn)
-    counts = localcounts.get_by_pattern('%%-%s_count' % pn)
-    if not revs or not counts:
-        return
-
-    if len(revs) != len(counts):
-        bb.warn("The number of revs and localcounts don't match in %s" % pn)
-        return
-
-    version = e.data.getVar('PRAUTOINX')
-    srcrev = bb.fetch2.get_srcrev(e.data)
-    base_ver = 'AUTOINC-%s' % version[:version.find(srcrev)]
-    pkgarch = e.data.getVar('PACKAGE_ARCH')
-    value = max(int(count) for count in counts)
-
-    if len(revs) == 1:
-        if srcrev != ('AUTOINC+%s' % revs[0]):
-            value += 1
-    else:
-        value += 1
-
-    bb.utils.mkdirhier(e.data.getVar('PRSERV_DUMPDIR'))
-    df = e.data.getVar('LOCALCOUNT_DUMPFILE')
-    flock = bb.utils.lockfile("%s.lock" % df)
-    with open(df, 'a') as fd:
-        fd.write('PRAUTO$%s$%s$%s = "%s"\n' %
-                (base_ver, pkgarch, srcrev, str(value)))
-    bb.utils.unlockfile(flock)
-}
-
-addhandler migrate_localcount_handler
-migrate_localcount_handler[eventmask] = "bb.event.RecipeParsed"