Replace remaining "520" magic numbers with MAX_SCRIPT_ELEMENT_SIZE

src/outputtype.cpp

@@ -85,7 +85,7 @@ CTxDestination AddAndGetDestinationForScript(FillableSigningProvider& keystore,
 {
     // Add script to keystore
     keystore.AddCScript(script);
-    // Note that scripts over 520 bytes are not yet supported.
+    // Note that scripts over MAX_SCRIPT_ELEMENT_SIZE bytes are not yet supported.
     switch (type) {
     case OutputType::LEGACY:
         return ScriptHash(script);