remove WSREP_SST_OPT_SUFFIX_VALUE, checking [mysqld] is covered in the...

remove WSREP_SST_OPT_SUFFIX_VALUE, checking [mysqld] is covered in the parse_cnf --mysqld case also in wsrep_sst_xtrabackup-v2

scripts/wsrep_sst_xtrabackup-v2.sh

@@ -905,9 +905,6 @@ if [ ! -z "$INNODB_DATA_HOME_DIR_ARG" ]; then
     INNODB_DATA_HOME_DIR=$INNODB_DATA_HOME_DIR_ARG
 fi
 # if INNODB_DATA_HOME_DIR env. variable is not set, try to get it from my.cnf
-if [ -z "$INNODB_DATA_HOME_DIR" ]; then
-    INNODB_DATA_HOME_DIR=$(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE innodb-data-home-dir '')
-fi
 if [ -z "$INNODB_DATA_HOME_DIR" ]; then
     INNODB_DATA_HOME_DIR=$(parse_cnf --mysqld innodb-data-home-dir "")
 fi