chore(CODEOWNERS): Remove grant as owner (#2286)
chore(CODEOWNERS): Remove grant as owner (#2286)

Grant has changed teams, so I'm removing him from the sample owners list.

Co-authored-by: Justin Beckwith <0b357449eb5b1ce3bad523b6be0681e856776d8e@gmail.com>
GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples