MDEV-393. Remove --loose-pbxt=OFF/loose-skip-pbxt from bootstrapper calls to...

MDEV-393. Remove --loose-pbxt=OFF/loose-skip-pbxt from bootstrapper calls to avoid "unknown parameter" warning

debian/dist/Debian/mariadb-server-5.5.postinst

@@ -21,7 +21,7 @@ invoke() {
   fi
 }
 
-MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables --loose-innodb=OFF --loose-pbxt=OFF --default-storage-engine=myisam"
+MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables --loose-innodb=OFF --default-storage-engine=myisam"
 
 test_mysql_access() {
        mysql --no-defaults -u root -h localhost </dev/null >/dev/null 2>&1

debian/dist/Ubuntu/mariadb-server-5.5.postinst

@@ -21,7 +21,7 @@ invoke() {
   fi
 }
 
-MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables --loose-innodb=OFF --loose-pbxt=OFF --default-storage-engine=myisam"
+MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables --loose-innodb=OFF --default-storage-engine=myisam"
 
 test_mysql_access() {
        mysql --no-defaults -u root -h localhost </dev/null >/dev/null 2>&1

sql/mysql_install_db.cc

@@ -247,7 +247,7 @@ static char *init_bootstrap_command_line(char *cmdline, size_t size)
     "\"\"%s\" --no-defaults --bootstrap"
     " \"--language=%s\\share\\english\""
     " --basedir=. --datadir=. --default-storage-engine=myisam"
-    " --max_allowed_packet=9M --loose-skip-innodb --loose-skip-pbxt"
+    " --max_allowed_packet=9M --loose-skip-innodb"
     " --net-buffer-length=16k\"", mysqld_path, basedir);
   return cmdline;
 }