Remove errorprone BinderIdentityTokenChecker

The checks in BinderIdentityTokenChecker are implemented in
AndroidFrameworkLintChecker in frameworks/base/tools/lint.

Bug: 157626959
Test: atest error_prone_android_framework_test
Test: m framework-minus-apex
Change-Id: Iac9128dbc7e915a12080e41a66d19f9390e4b58a
7 files changed