* removing all prysm remote signer code
* fixing unit tests
* resolving more build issues
* resolving deepsource complaint
* fixing lint
* trying to fix bazel library
* trying testonly true
* removing assert and require from non test settings
* fixing bazel and tests
* removing more unused files related to remote signer
* fixing linting
* reverting some changes
* reverting a change that broke some code
* removing typo
* fixing unit test
* fixing mnemonic information