Revert "Added releases/forge overview to main page."

This reverts commit 20c2940ca0821541dbd60c40fbfc7484971bec2b.
Revert "Fixed forge template. Generated HTML page."

This reverts commit 620de29cb43c85e1123249066ab5c2ad83049b10.
Revert "Fixed forge data source main page."

This reverts commit a8b3450821bee137cb1fe28ee23a8f312dd818be.
Revert "Updated to last version of VizGrimoireJS."

This reverts commit a93303c004e392445edc40745514bae0cb680428.