fix(internal/gapicgen): don't create genproto pr as draft (#3379)

This flag was not intended to be commited and was used for
testing.

Author: codyoss

internal/gapicgen/cmd/genbot/github.go

@@ -225,7 +225,6 @@ git push origin $BRANCH_NAME
 		Body:  &body,
 		Head:  &head,
 		Base:  &base,
-		Draft: github.Bool(true),
 	})
 	if err != nil {
 		return 0, err