[fenix] Revert "For https://github.com/mozilla-mobile/fenix/issues/7104 - Update locale list for release. (https://github.com/mozilla-mobile/fenix/pull/12740)"

This reverts commit 45cd5a4248143267d1739034698c92494f961d73.

l10n.toml

@@ -7,6 +7,7 @@ locales = [
   "ast",
   "az",
   "be",
+  "bg",
   "bn",
   "br",
   "bs",
@@ -58,10 +59,13 @@ locales = [
   "lt",
   "ml",
   "mr",
+  "ms",
   "my",
   "nb-NO",
+  "ne-NP",
   "nl",
   "nn-NO",
+  "nv",
   "oc",
   "pa-IN",
   "pl",
@@ -83,6 +87,7 @@ locales = [
   "trs",
   "uk",
   "ur",
+  "uz",
   "vec",
   "vi",
   "zh-CN",