Reduce complexity of Crystal 1.0.0 workaround

src/invidious/helpers/utils.cr

@@ -1,11 +1,8 @@
 require "lsquic"
 require "db"
 
-{% unless Crystal::VERSION == "1.0.0" %}
-  # Alias of DB::Pool for easier debugging
-  class YTPool(T) < DB::Pool(T)
-  end
-{% end %}
+# Alias of DB::Pool for easier debugging
+alias YTPool = DB::Pool
 
 def add_yt_headers(request)
   request.headers["user-agent"] ||= "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
@@ -26,12 +23,7 @@ struct YoutubeConnectionPool
   property! url : URI
   property! capacity : Int32
   property! timeout : Float64
-
-  {% unless Crystal::VERSION == "1.0.0" %}
-    property pool : YTPool(QUIC::Client | HTTP::Client)
-  {% else %}
-    property pool : DB::Pool(QUIC::Client | HTTP::Client)
-  {% end %}
+  property pool : YTPool(QUIC::Client | HTTP::Client)
 
   def initialize(url : URI,
                  @initial_pool_size = 1,