[rpm] remove unused cfg files

Signed-off-by: Leo Chen <leo@harmony.one>

Makefile

@@ -97,7 +97,6 @@ rpm_init: bin/harmony
 	cp -f scripts/rpm/harmony.service $(RPMBUILD)/SOURCES/$(PKGNAME)-$(VERSION)
 	cp -f scripts/rpm/harmony-setup.sh $(RPMBUILD)/SOURCES/$(PKGNAME)-$(VERSION)
 	cp -f scripts/rpm/harmony-sysctl.conf $(RPMBUILD)/SOURCES/$(PKGNAME)-$(VERSION)
-#	cp -f scripts/rpm/harmony-*.cfg $(RPMBUILD)/SOURCES/$(PKGNAME)-$(VERSION)
 	cp -f scripts/rpm/harmony.spec $(RPMBUILD)/SPECS
 	(cd $(RPMBUILD)/SOURCES; tar cvf $(PKGNAME)-$(VERSION).tar $(PKGNAME)-$(VERSION))
 

scripts/rpm/harmony-explorer.cfg

@@ -1,4 +0,0 @@
-# Set SHARD to 0,1,2,3
-# It is used to setup RPC endpoint
-SHARD=0
-TYPE=explorer

scripts/rpm/harmony-validator.cfg

@@ -1,4 +0,0 @@
-# SHARD set to -1 for normal validator
-# The real shard is determined by the blskey
-SHARD=-1
-TYPE=validator