Resolve "Delete nucleus/util/proto/*_test files"

.gitignore

nucleus/util/proto/cap-resp-arista-ceos_test

nucleus/util/proto/req-full-node-arista-ceos_test

nucleus/util/proto/req-full-node_test

nucleus/util/proto/req-interfaces-arista-ceos_test

nucleus/util/proto/req-interfaces-interface-arista-ceos_test

nucleus/util/proto/req-interfaces-wildcard_test

nucleus/util/proto/resp-full-node-arista-ceos_test

nucleus/util/proto/resp-full-node_test

nucleus/util/proto/resp-interfaces-arista-ceos_test

...eus/util/proto/resp-interfaces-interface-arista-ceos_test

nucleus/util/proto/resp-interfaces-wildcard_test

nucleus/util/proto/resp-set-system-config-hostname_test