Clear journal_device and meta_device before initialising the next OSD in automatic mode

src/disk_tool_prepare.cpp

@@ -621,6 +621,11 @@ int disk_tool_t::prepare(std::vector<std::string> devices)
                 }
                 // Treat all disks as SSDs if not in the hybrid mode
                 prepare_one(options, hybrid && dev.is_hdd ? 1 : 0);
+                if (hybrid)
+                {
+                    options.erase("journal_device");
+                    options.erase("meta_device");
+                }
             }
         }
     }