gdal: Remove max image area test#72

cpaulik wants to merge 2 commits intomapnik:mastermapnik/test-data-visual:masterfrom

cpaulik:gdal-do-not-use-special-mapnik-logic-for-overviewscpaulik/test-data-visual:gdal-do-not-use-special-mapnik-logic-for-overviewsCopy head branch name to clipboard