Cleanup remnants of rpl_recovery_rank

sql/mysqld.cc

@@ -543,7 +543,6 @@ ulong slow_launch_threads = 0;
 uint sync_binlog_period= 0, sync_relaylog_period= 0,
      sync_relayloginfo_period= 0, sync_masterinfo_period= 0;
 ulong expire_logs_days = 0;
-ulong rpl_recovery_rank=0;
 /**
   Soft upper limit for number of sp_head objects that can be stored
   in the sp_cache for one connection.

sql/mysqld.h

@@ -256,7 +256,7 @@ extern ulonglong max_binlog_cache_size, max_binlog_stmt_cache_size;
 extern ulong max_binlog_size;
 extern ulong slave_max_allowed_packet;
 extern ulong opt_binlog_rows_event_max_size;
-extern ulong rpl_recovery_rank, thread_cache_size;
+extern ulong thread_cache_size;
 extern ulong stored_program_cache_size;
 extern ulong opt_slave_parallel_threads;
 extern ulong opt_slave_domain_parallel_threads;

sql/sql_repl.h

@@ -24,7 +24,7 @@
 typedef struct st_slave_info
 {
   uint32 server_id;
-  uint32 rpl_recovery_rank, master_id;
+  uint32 master_id;
   char host[HOSTNAME_LENGTH*SYSTEM_CHARSET_MBMAXLEN+1];
   char user[USERNAME_LENGTH+1];
   char password[MAX_PASSWORD_LENGTH*SYSTEM_CHARSET_MBMAXLEN+1];