Remove Firefox upsell components

patchFirefox.sh

#!/bin/bash

SCRIPTDIR=$(realpath $(dirname $0))
TMPDIR=$(mktemp -d)

cd "$TMPDIR"
echo "$TMPDIR"

unzip -q /usr/lib/firefox/browser/omni.ja

for item in $SCRIPTDIR/*.patch; do
    patch -p0 < "$item"
done

sudo rm /usr/lib/firefox/browser/omni.ja
sudo zip -qr /usr/lib/firefox/browser/omni.ja *

rm -rf "$TMPDIR"

removeVpnUpsell.patch

--- actors/AboutPrivateBrowsingParent.jsm	2010-01-01 00:00:00.000000000 +0100
+++ actors/AboutPrivateBrowsingParent.jsm	2021-11-06 12:31:19.307418563 +0100
@@ -161,13 +161,7 @@
         break;
       }
       case "ShouldShowVPNPromo": {
-        const homeRegion = Region.home || "";
-        const currentRegion = Region.current || "";
-        return (
-          homeRegion.toLowerCase() !== "cn" &&
-          currentRegion.toLowerCase() !== "cn" &&
-          Services.policies.status !== Services.policies.ACTIVE
-        );
+        return false;
       }
     }