Ameba: Fix Naming/PredicateName

Introduced in #4146

src/invidious/routes/search.cr

@@ -53,7 +53,7 @@ module Invidious::Routes::Search
 
       # An URL was copy/pasted in the search box.
       # Redirect the user to the appropriate page.
-      if query.is_url?
+      if query.url?
         return env.redirect UrlSanitizer.process(query.text).to_s
       end
 

src/invidious/search/query.cr

@@ -149,7 +149,7 @@ module Invidious::Search
     end
 
     # Checks if the query is a standalone URL
-    def is_url? : Bool
+    def url? : Bool
       # If the smart features have been inhibited, don't go further.
       return false if @inhibit_ssf