Drop unused rubygem-native/compiled components

[joshcooper]

These were last referenced by bolt when using bootsnap to speed up load times, see 65fd77a. They're now unused so delete them.

I verified they're not referenced by any project:

$ bundle exec rake vanagon:component_diff -- -P all -p el-9-x86_64 --from upstream/master --to HEAD           
...
Here is what your code changes would affect:

Project pe-installer-runtime-main
Nothing is affected 😊
Project pe-bolt-server-runtime-main
Nothing is affected 😊
Project agent-runtime-7.x
Nothing is affected 😊
Project pe-bolt-server-runtime-2021.7.x
Nothing is affected 😊
Project pe-installer-runtime-2021.7.x
Nothing is affected 😊
Project bolt-runtime
Nothing is affected 😊
Project pdk-runtime
Nothing is affected 😊
Project client-tools-runtime-main
Nothing is affected 😊
Project client-tools-runtime-2021.7.x
Nothing is affected 😊
Project agent-runtime-main
Nothing is affected 😊