Run go mod tidy

This should allow our `go mod tidy` verification to pass.

Author: justinsb

go.mod

@@ -6,10 +6,8 @@ require (
 	github.com/blang/semver v3.5.0+incompatible
 	github.com/evanphx/json-patch v4.5.0+incompatible
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/onsi/gomega v1.8.1
 	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.0.0
-	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 	golang.org/x/tools v0.0.0-20200714190737-9048b464a08d
 	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
 	k8s.io/api v0.18.4