DHCP: Don't request T1 and T2

RFC2131 4.4.5 says:
The server SHOULD return T1 and T2.

Other DHCP clients don't request them by default and we can save two
bytes in the message size by not sending them.

Author: rsmarples

src/dhcpcd-definitions-small.conf

@@ -24,8 +24,8 @@ define 54	ipaddress		dhcp_server_identifier
 define 55	array byte		dhcp_parameter_request_list
 define 56	string			dhcp_message
 define 57	uint16			dhcp_max_message_size
-define 58	request uint32		dhcp_renewal_time
-define 59	request uint32		dhcp_rebinding_time
+define 58	uint32			dhcp_renewal_time
+define 59	uint32			dhcp_rebinding_time
 define 60	string			vendor_class_identifier
 define 61	binhex			dhcp_client_identifier
 

src/dhcpcd-definitions.conf

@@ -70,8 +70,8 @@ define 54	ipaddress		dhcp_server_identifier
 define 55	array byte		dhcp_parameter_request_list
 define 56	string			dhcp_message
 define 57	uint16			dhcp_max_message_size
-define 58	request uint32		dhcp_renewal_time
-define 59	request uint32		dhcp_rebinding_time
+define 58	uint32			dhcp_renewal_time
+define 59	uint32			dhcp_rebinding_time
 define 60	string			vendor_class_identifier
 define 61	binhex			dhcp_client_identifier
 define 64	string			nisplus_domain