Fixing build issues

Author: nrchakradhar

go.mod

@@ -28,7 +28,6 @@ require (
 	github.com/operator-framework/operator-lifecycle-manager v0.0.0-20191115003340-16619cd27fa5
 	github.com/operator-framework/operator-registry v1.5.3
 	github.com/pborman/uuid v1.2.0
-	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.2.1
 	github.com/rogpeppe/go-internal v1.5.0
 	github.com/rubenv/sql-migrate v0.0.0-20191025130928-9355dd04f4b3 // indirect