Remove deprecated/unused irc_servers option

NEWS

@@ -440,6 +440,7 @@ Removed Functionality
     - ``ssl_private_key``
     - ``ssl_passphrase``
     - ``suppress_local_output``
+    - ``irc_servers``
 
 - The following constants were used as part of deprecated functionality in version 2.6
   or below and are removed from this release:

scripts/base/init-bare.zeek

@@ -3855,12 +3855,6 @@ type PE::SectionHeader: record {
 }
 module GLOBAL;
 
-## Deprecated.
-##
-## .. todo:: Remove. It's still declared internally but doesn't seem  used anywhere
-##    else.
-global irc_servers : set[addr] &redef;
-
 ## Internal to the stepping stone detector.
 const stp_delta: interval &redef;
 

src/NetVar.cc

@@ -174,7 +174,6 @@ int sig_max_group_size;
 
 TableType* irc_join_list;
 RecordType* irc_join_info;
-TableVal* irc_servers;
 
 int dpd_reassemble_first_packets;
 int dpd_buffer_size;
@@ -429,7 +428,6 @@ void init_net_var()
 
 	irc_join_info = internal_type("irc_join_info")->AsRecordType();
 	irc_join_list = internal_type("irc_join_list")->AsTableType();
-	irc_servers = internal_val("irc_servers")->AsTableVal();
 
 	dpd_reassemble_first_packets =
 		opt_internal_int("dpd_reassemble_first_packets");

src/NetVar.h

@@ -176,7 +176,6 @@ extern int sig_max_group_size;
 
 extern TableType* irc_join_list;
 extern RecordType* irc_join_info;
-extern TableVal* irc_servers;
 
 extern int dpd_reassemble_first_packets;
 extern int dpd_buffer_size;