Revert filtering public timelines by locale by default (#20294)

app/controllers/api/v1/timelines/public_controller.rb

@@ -35,7 +35,6 @@ class Api::V1::Timelines::PublicController < Api::BaseController
   def public_feed
     PublicFeed.new(
       current_account,
-      locale: content_locale,
       local: truthy_param?(:local),
       remote: truthy_param?(:remote),
       only_media: truthy_param?(:only_media)

app/models/public_feed.rb

@@ -8,7 +8,6 @@ class PublicFeed
   # @option [Boolean] :local
   # @option [Boolean] :remote
   # @option [Boolean] :only_media
-  # @option [String]  :locale
   def initialize(account, options = {})
     @account = account
     @options = options
@@ -28,7 +27,7 @@ class PublicFeed
     scope.merge!(remote_only_scope) if remote_only?
     scope.merge!(account_filters_scope) if account?
     scope.merge!(media_only_scope) if media_only?
-    scope.merge!(language_scope)
+    scope.merge!(language_scope) if account&.chosen_languages.present?
 
     scope.cache_ids.to_a_paginated_by_id(limit, max_id: max_id, since_id: since_id, min_id: min_id)
   end
@@ -86,13 +85,7 @@ class PublicFeed
   end
 
   def language_scope
-    if account&.chosen_languages.present?
-      Status.where(language: account.chosen_languages)
-    elsif @options[:locale].present?
-      Status.where(language: @options[:locale])
-    else
-      Status.all
-    end
+    Status.where(language: account.chosen_languages)
   end
 
   def account_filters_scope

app/models/tag_feed.rb

@@ -12,7 +12,6 @@ class TagFeed < PublicFeed
   # @option [Boolean] :local
   # @option [Boolean] :remote
   # @option [Boolean] :only_media
-  # @option [String]  :locale
   def initialize(tag, account, options = {})
     @tag = tag
     super(account, options)