[2432] Remove the empty rrset_collection_base.cc file

src/lib/dns/Makefile.am

@@ -127,7 +127,7 @@ libb10_dns___la_SOURCES += tsigrecord.h tsigrecord.cc
 libb10_dns___la_SOURCES += character_string.h character_string.cc
 libb10_dns___la_SOURCES += master_loader_callbacks.h master_loader_callbacks.cc
 libb10_dns___la_SOURCES += master_loader.h
-libb10_dns___la_SOURCES += rrset_collection_base.h rrset_collection_base.cc
+libb10_dns___la_SOURCES += rrset_collection_base.h
 libb10_dns___la_SOURCES += rrset_collection.h rrset_collection.cc
 libb10_dns___la_SOURCES += rdata/generic/detail/char_string.h
 libb10_dns___la_SOURCES += rdata/generic/detail/char_string.cc

src/lib/dns/rrset_collection_base.cc

-// Copyright (C) 2012  Internet Systems Consortium, Inc. ("ISC")
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
-// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
-// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
-// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-// PERFORMANCE OF THIS SOFTWARE.
-
-#include <dns/rrset_collection_base.h>
-
-namespace isc {
-namespace dns {
-
-} // end of namespace dns
-} // end of namespace isc