As someone suggested, you need to edit SplashScreen.java, disabling line 103 in it.
I know only one way to do this, you will have to build your app using Cordova CLI. Here is a good tutorial.
After you execute "cordova prepare" or "cordova add android" command, search for SplashScreen.java in the cordova project folder. Edit the file, then continue building the app.
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You can also try removing "cordova-plugin-splashscreen" from your app. I don't know if this will work, but maybe if you set Loader Style=nothing, this plugin will not be added to the project. Or try exporting the project to Cordova, remove all mentions of this plugin from config.json and config.xml, then re-zip the files, load zip into C3 Export Manager and continue building the app.