api: clean up use of deprecated flag

The syntax of the deprecated flag has evolved.
Clean up usage to be "option deprecated;".

Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: If2b639f275eb8db58b36c457f9245fe35a4d8cb1
diff --git a/src/vnet/cop/cop.api b/src/vnet/cop/cop.api
index 39677a2..75fd15b 100644
--- a/src/vnet/cop/cop.api
+++ b/src/vnet/cop/cop.api
@@ -26,7 +26,7 @@
 
 autoreply define cop_interface_enable_disable
 {
-  option deprecated="v21.01";
+  option deprecated;
   u32 client_index;
   u32 context;
   vl_api_interface_index_t sw_if_index;
@@ -47,7 +47,7 @@
 
 autoreply define cop_whitelist_enable_disable
 {
-  option deprecated="v21.01";
+  option deprecated;
   u32 client_index;
   u32 context;
   vl_api_interface_index_t sw_if_index;