Update 02-pihole-dhcp.conf

conf/02-pihole-dhcp.conf

@@ -5,7 +5,7 @@
 dhcp-authoritative
 dhcp-range=__A_RANGE__,__B_RANGE__,24h
 dhcp-option=option:router,__GATEWAY__
-dhcp-leasefile=$PI_HOLE_CONFIG_DIR/dhcp.leases
+dhcp-leasefile=/etc/pihole/dhcp.leases
 #quiet-dhcp
 
 domain=local