* Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA). * Revert "Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA)." This reverts commit 9040f513fe07445339ecce3aa5b6ad11bd97b4ea. * Revert "Revert "Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA)."" This reverts commit 7acf7175375c526856ba0e08c7e7292e62dca73b.