Clean up example, don't need definition.

tinic · tinic · commit 6bb15d51cc2e · 2025-07-23T12:49:46.000-07:00
diff --git a/README.md b/README.md
@@ -219,7 +219,6 @@ int main() {
 ## Saving a PNG to a file example
 
 ```c++
-#define CONSTIXEL_ENABLE_COUT
 #include "constixel.hpp"
 #include <iostream>
 #include <fstream>
