Removed old node_e2e_tests
Removed old node_e2e_tests

The `node_e2e_test.go` was moved and rewritted, the old one was still
hanging around after a rebase.

projectcalico/libcalico-go,projectcalico/libcalico-go,insequent/libcalico-go,insequent/libcalico-go