fix(grid-column-data-types-sample): remove default timezone setting f… #96

Job	Run time
build-and-deploy (app, run generate-live-editing, angular-demos, angular-demos, dist/app, run bui...	12m 21s
build-and-deploy (app-lob, run generate-live-editing:app-lob, angular-demos-lob, angular-demos-lo...	2m 18s
build-and-deploy (app-crm, run generate-live-editing:app-crm, angular-demos-crm, angular-demos-gr...	1m 25s
	16m 4s

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