Bundle "com.day.cq.wcm.cq-wcm-siteimporter" was removed from AEM 6.3 as it was using Geometrixx templates additionally as part of classic-ui deprecation.
Currently, it is not available on package share and there is no replacement planned for later release.
Site importer should no longer be used and documentation will be updated to reflect the same.
Bundle "com.day.cq.wcm.cq-wcm-siteimporter" was removed from AEM 6.3 as it was using Geometrixx templates additionally as part of classic-ui deprecation.
Currently, it is not available on package share and there is no replacement planned for later release.
Site importer should no longer be used and documentation will be updated to reflect the same.