Reduce block verbosity further

src/invidious/playlists.cr

@@ -51,7 +51,7 @@ struct PlaylistVideo
     if xml
       to_xml(auto_generated, xml)
     else
-      XML.build do |xml| # Why was this `json`?
+      XML.build do |xml|
         to_xml(auto_generated, xml)
       end
     end

src/invidious/routes/channels.cr

@@ -30,7 +30,7 @@ module Invidious::Routes::Channels
         end
       end
       items = items.select(SearchPlaylist).map(&.as(SearchPlaylist))
-      items.each(&.author=(""))
+      items.each(&.author = "")
     else
       sort_options = {"newest", "oldest", "popular"}
       sort_by ||= "newest"
@@ -58,7 +58,7 @@ module Invidious::Routes::Channels
 
     items, continuation = fetch_channel_playlists(channel.ucid, channel.author, continuation, sort_by)
     items = items.select(SearchPlaylist).map(&.as(SearchPlaylist))
-    items.each(&.author=(""))
+    items.each(&.author = "")
 
     templated "playlists"
   end

src/invidious/yt_backend/proxy.cr

@@ -236,7 +236,7 @@ def get_spys_proxies(country_code = "US")
     proxies << {ip: ip, port: port, score: score}
   end
 
-  proxies = proxies.sort_by { |proxy| proxy[:score] }.reverse!
+  proxies = proxies.sort_by!(&.[:score]).reverse!
   return proxies
 end