fixup! Add TorStrings module for localization

Bug 42209: Migrate tor circuit strings to Fluent.

toolkit/torbutton/chrome/locale/en-US/torbutton.dtd

@@ -3,12 +3,6 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<!ENTITY torbutton.context_menu.new_circuit "New Tor Circuit for this Site">
-<!ENTITY torbutton.context_menu.new_circuit_sentence_case "New Tor circuit for this site">
-<!ENTITY torbutton.context_menu.new_circuit_key "C">
-
-<!ENTITY torbutton.circuit_display.title "Tor Circuit">
-
 <!-- Onion services strings. Strings are kept here for ease of translation. -->
 <!ENTITY torbutton.onionServices.authPrompt.tooltip "Open onion service client authentication prompt">
 <!ENTITY torbutton.onionServices.authPrompt.persistCheckboxLabel "Remember this key">

toolkit/torbutton/chrome/locale/en-US/torbutton.properties

@@ -3,25 +3,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-# Circuit display
-# LOCALIZATION NOTE: %S will be the host name shown in the URL bar.
-torbutton.circuit_display.heading = Circuit for %S
-# LOCALIZATION NOTE: %S will be the alias onion address.
-torbutton.circuit_display.connected-to-alias = Connected to %S
-torbutton.circuit_display.this_browser = This browser
-torbutton.circuit_display.onion-site-relays = Onion site relays
-# LOCALIZATION NOTE: %S will be the bridge type name (meek, obfs4, snowflake,
-# etc).
-torbutton.circuit_display.tor_typed_bridge = Bridge: %S
-# LOCALIZATION NOTE: Used when the bridge type is unknown.
-torbutton.circuit_display.tor_bridge = Bridge
-# LOCALIZATION NOTE: Used when a circuit node's regional location is unknown.
-torbutton.circuit_display.unknown_region = Unknown region
-# LOCALIZATION NOTE: %S will be the localized region name for the guard node.
-torbutton.circuit_display.region-guard-node = %S (guard)
-torbutton.circuit_display.new-circuit-guard-description = Your guard node may not change
-torbutton.circuit_display.new-circuit-bridge-description = Your bridge may not change
-
 # Download pane warning
 torbutton.download.warning.title = Be careful opening downloads
 # %S will be a link to the Tails operating system website. With the content given by torbutton.download.warning.tails_brand_name