Remove duplicate entries already found in the main sysctl.conf

src/etc/etc.sun3/sysctl.conf

@@ -1,17 +1,2 @@
-#	$OpenBDS$
-# This files contains a list of sysctl options the user wants set at
-# boot time.
-# ie.
-#net.inet.ip.forwarding=1	# 1=Permit forwarding (routing) of packets
-#net.inet6.ip6.forwarding=1	# 1=Permit forwarding (routing) of packets
-#net.inet6.ip6.accept_rtadv=1	# 1=Permit IPv6 autoconf (forwarding must be 0)
-#net.inet.tcp.rfc1323=0		# 0=disable TCP RFC1323 extensions (for if tcp
-				# is slow)
-#net.inet.esp.enable=1		# 1=Enable the ESP IPSec protocol
-#net.inet.ah.enable=1		# 1=Enable the AH IPSec protocol
-#ddb.panic=0			# 0=Do not drop into ddb on a kernel panic
-#ddb.console=1			# 1=Permit entry of ddb from the console
-#fs.posix.setuid=0		# 0=Traditional BSD chown() semantics
-#vm.swapencrypt=1		# 1=Encrypt pages that go to swap
 #kern.maxproc=250		# if you intend to rebuild OpenBSD, or other
-				# make-intensize process, increase this value
+				# make-intensive process, increase this value