chore(i18n): remove Pontoon configuration file

Pontoon was replaced by Weblate, so the configuration file is no longer
needed.

Change-Id: Ib19b2831a36c4a0fa40ec157a7ac9cafaa8dbcd6
diff --git a/.zuul.yaml b/.zuul.yaml
index 6965d34..889e312 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -17,7 +17,6 @@
       - "docs/.*"
       - "OWNERS"
       - "README.md"
-      - "i18n-config.toml"
       - "cws/.*"
       - "roles/cws-publish/*"
       - "roles/fetch-cws-log/*"
diff --git a/i18n-config.toml b/i18n-config.toml
deleted file mode 100644
index fa1abcc..0000000
--- a/i18n-config.toml
+++ /dev/null
@@ -1,36 +0,0 @@
-base_path = "."
-
-# NOTE: Keep in sync with lit-localize.json
-locales = [
-  "ar",
-  "ca",
-  "de",
-  "es",
-  "fr",
-  "id",
-  "it",
-  "ja",
-  "ko",
-  "pl",
-  "pt_BR",
-  "ru",
-  "th",
-  "tr",
-  "vi",
-]
-
-branches = [
-  "master",
-]
-
-[[paths]]
-  reference = "src/static/_locales/en/messages.json"
-  l10n = "src/static/_locales/{android_locale}/messages.json"
-
-[[paths]]
-  reference = "cws/en/listing-description.lang"
-  l10n = "cws/{android_locale}/listing-description.lang"
-
-[[paths]]
-  reference = "src/lit-locales/source/es.xlf"
-  l10n = "src/lit-locales/source/{android_locale}.xlf"