Rename _output_tests back to output_tests

Author: thockin

Makefile

@@ -4,7 +4,7 @@ all:
 
 test:
 	go test -race ./...
-	go -C ./examples/defaulter-gen/_output_tests test ./...
+	go -C ./examples/defaulter-gen/output_tests test ./...
 	make -C v2 test
 
 # We verify for the maximum version of the go directive as 1.20

examples/defaulter-gen/_output_tests/empty/doc.go renamed to examples/defaulter-gen/output_tests/empty/doc.go

@@ -1,5 +1,3 @@
-// Package must be named output_tests rather than _output tests to avoid
-// ambiguous import conflict with main gengo package
 module k8s.io/gengo/examples/defaulter-gen/output_tests
 
 go 1.20