Remove needless temporary table detection

Temporary table detection doesn't work in embedded mode.

ha_mroonga.cpp

@@ -5031,7 +5031,7 @@ int ha_mroonga::delete_table(const char *name)
   }
 
   if (!wrap_handlerton) {
-    bool open_table_to_get_wrap_handlerton = !mapper.is_temporary_table_name();
+    bool open_table_to_get_wrap_handlerton = true;
     if (mapper.is_internal_table_name()) {
       open_table_to_get_wrap_handlerton = false;
     }
@@ -5084,12 +5084,6 @@ int ha_mroonga::delete_table(const char *name)
     error = operations_->clear(name, strlen(name));
   }
 
-  if (!error &&
-      mapper.is_temporary_table_name() &&
-      !mapper.is_internal_table_name()) {
-    mrn_db_manager->drop(name);
-  }
-
   DBUG_RETURN(error);
 }
 

lib/mrn_path_mapper.cpp

@@ -226,32 +226,4 @@ namespace mrn {
   bool PathMapper::is_internal_table_name() {
     return mysql_table_name()[0] == '#';
   }
-
-  bool PathMapper::is_temporary_table_name() {
-    if (!mysql_data_home_path_) {
-      return original_mysql_path_[0] != FN_CURLIB;
-    }
-
-    if (original_mysql_path_[0] == FN_CURLIB) {
-      return false;
-    }
-
-    size_t original_mysql_path_len = strlen(original_mysql_path_);
-    size_t mysql_data_home_path_len = strlen(mysql_data_home_path_);
-    if (original_mysql_path_len < mysql_data_home_path_len) {
-      return true;
-    }
-
-    if (strncmp(original_mysql_path_,
-                mysql_data_home_path_,
-                mysql_data_home_path_len) != 0) {
-      return true;
-    }
-
-    if (strchr(&original_mysql_path_[mysql_data_home_path_len], FN_LIBCHAR)) {
-      return true;
-    }
-
-    return false;
-  }
 }