Adjust various testData to size transformation

compiler/testData/codegen/box/delegatedProperty/propertyMetadataEqualsHashCodeToString.kt

@@ -25,7 +25,7 @@ fun box(): String {
     foo
     42.foo
 
-    if (O.metadatas.size() != 1)
+    if (O.metadatas.size != 1)
         return "Too many different PropertyMetadata instances: ${O.metadatas}"
 
     val m = O.metadatas.iterator().next()

compiler/testData/codegen/box/delegatedProperty/propertyMetadataShouldBeCached.kt

@@ -39,7 +39,7 @@ fun box(): String {
     A.bar = baz + a.foo
     baz + A.bar
 
-    if (metadatas.keySet().size() != 3)
+    if (metadatas.keySet().size != 3)
         return "Fail: only three instances of PropertyMetadata should have been created\n${metadatas.keySet()}"
 
     return "OK"