removing sqlite config, because it was crashing sqlite connections from other libs/frameworks (#436)

Author: dejan2k

Leanplum-SDK/Classes/Utilities/LPDatabase.m

@@ -51,10 +51,6 @@ - (sqlite3 *)initSQLite
 {
     const char *sqliteFilePath = [[LPDatabase sqliteFilePath] UTF8String];
 
-    sqlite3_shutdown();
-    sqlite3_config(SQLITE_CONFIG_SERIALIZED);
-    sqlite3_initialize();
-        
     int result = sqlite3_open_v2(sqliteFilePath, &sqlite, SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE | SQLITE_OPEN_FULLMUTEX, NULL);
     if (result != SQLITE_OK) {
         [self handleSQLiteError:@"SQLite fail to open" errorResult:result query:nil];