Remove all the timezone mounts

modules/heimdall/default.nix

@@ -14,7 +14,6 @@
         "8081:80"
       ];
       volumes = [
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       extraOptions = [

modules/pihole/default.nix

@@ -30,7 +30,6 @@ in
       volumes = [
         "/var/lib/pihole/etc-pihole:/etc/pihole/"
         "/var/lib/pihole/etc-dnsmasq.d:/etc/dnsmasq.d/"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       extraOptions = [

modules/plex/default.nix

@@ -30,7 +30,6 @@
       volumes = [
         "/var/lib/plex/config:/config"
         "/var/lib/plex/tmp:/transcode"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       extraOptions = [

modules/rss-bridge/default.nix

@@ -13,7 +13,6 @@ in
       ];
       volumes = [
         "${whitelist}:/app/whitelist.txt"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
     };

modules/ttrss-postgres/default.nix

@@ -46,7 +46,6 @@ in
       ];
       volumes = [
         "/var/lib/ttrss/html:/var/www/html"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       extraOptions = [ "--add-host=host.docker.internal:host-gateway" ];
@@ -59,7 +58,6 @@ in
       volumes = [
         "/var/lib/ttrss/html:/var/www/html"
         "/var/lib/ttrss/backup:/backup"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       cmd = [ "/opt/tt-rss/dcron.sh" "-f" ];
@@ -72,7 +70,6 @@ in
       environmentFiles = [ config.age.secrets.ttrssEnv.path ];
       volumes = [
         "/var/lib/ttrss/html:/var/www/html"
-        "/etc/timezone:/etc/timezone:ro"
         "/etc/localtime:/etc/localtime:ro"
       ];
       cmd = [ "/opt/tt-rss/updater.sh" ];