docs: drop sandbox magic-values callout from Global Account overview#412

pengying merged 2 commits intomainlightsparkdev/grid-api:mainfrom

04-28-docs_drop_sandbox_magic-values_callout_from_global_account_overviewlightsparkdev/grid-api:04-28-docs_drop_sandbox_magic-values_callout_from_global_account_overviewCopy head branch name to clipboard