Only remove MockUtil declarations whose uses are all migrated - #1084

Only remove MockUtil declarations whose uses are all migrated#1084

martinfrancois wants to merge 4 commits into

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martinfrancois:fix/mock-utils-to-static-keep-used-declarationsmartinfrancois/rewrite-testing-frameworks:fix/mock-utils-to-static-keep-used-declarationsCopy head branch name to clipboard