Remove the AnyValued for UUIDs and tests for parsing uuids

src/main/java/ch/njol/skript/classes/data/DefaultConverters.java

@@ -278,19 +278,8 @@ public void setAmount(Number amount) {
 		Converters.registerConverter(Script.class, Config.class, Script::getConfig);
 		Converters.registerConverter(Config.class, Node.class, Config::getMainNode);
 
-		// UUID -> String & AnyValued
+		// UUID -> String
 		Converters.registerConverter(UUID.class, String.class, UUID::toString);
-		Converters.registerConverter(UUID.class, AnyValued.class, uuid -> new AnyValued<String>() {
-			@Override
-			public String value() {
-				return uuid.toString();
-			}
-
-			@Override
-			public Class<String> valueType() {
-				return String.class;
-			}
-		});
 
 //		// Entity - String (UUID) // Very slow, thus disabled for now
 //		Converters.registerConverter(String.class, Entity.class, new Converter<String, Entity>() {

src/test/skript/tests/syntaxes/expressions/ExprUUID.sk

@@ -9,8 +9,13 @@ test "uuid":
 	spawn a pig at test-location
 	set {_pig} to last spawned pig
 
-	set {_lookup} to entity from (uuid of {_pig})
-	assert {_lookup} is set with "Failed to look up entity"
+	set {_uuid} to uuid of {_pig}
+
+	set {_lookup} to entity from {_uuid}
+	assert {_lookup} is {_pig} with "Failed to look up pig"
+
+	set {_le pig} to {_uuid} parsed as entity
+	assert {_le pig} is {_pig} with "failed to parse uuid as entity"
 
 	delete entity within {_pig}