remove duplicate bitdb.Open() code from init

- remove code from step 7, which we already have in step 5 of init

src/init.cpp

@@ -733,15 +733,6 @@ bool AppInit2(boost::thread_group& threadGroup)
 
     fReindex = GetBoolArg("-reindex");
 
-    // Todo: Check if needed, because in step 5 we do the same
-    if (!bitdb.Open(GetDataDir()))
-    {
-        string msg = strprintf(_("Error initializing database environment %s!"
-                                 " To recover, BACKUP THAT DIRECTORY, then remove"
-                                 " everything from it except for wallet.dat."), strDataDir.c_str());
-        return InitError(msg);
-    }
-
     // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
     filesystem::path blocksDir = GetDataDir() / "blocks";
     if (!filesystem::exists(blocksDir))