Removed duplicate manifest for Mozilla Thunderbird version 78.1.0 (EN-CA). (#11117)

* 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.

manifests/m/Mozilla/Thunderbird/Thunderbird/78.1.0 (EN-CA)/Mozilla.Thunderbird.Thunderbird.yaml

@@ -1,22 +0,0 @@
-PackageIdentifier: Mozilla.Thunderbird.Thunderbird
-PackageVersion: 78.1.0 (EN-CA)
-PackageName: Thunderbird (English Canada)
-Publisher: Mozilla
-License: Mozilla Public License Version 2.0
-LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
-Moniker: thunderbird
-Tags:
-- thunderbird
-- email
-- E-mail
-- Thunderbird (English Canada)
-ShortDescription: Thunderbird is a free email application that’s easy to set up and customize!
-PackageUrl: https://www.thunderbird.net
-Installers:
-- Architecture: x64
-  InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.0/win64/en-CA/Thunderbird%20Setup%2078.1.0.msi
-  InstallerSha256: 0165C685863BF30AA194E494E439582033C9172A2A3517D03124879F871F49E0
-  InstallerType: msi
-PackageLocale: en-US
-ManifestType: singleton
-ManifestVersion: 1.0.0