Add cautionary tale

Author: sschr15

plugins/kotlin/src/main/java/org/vineflower/kotlin/KotlinChooser.java

@@ -43,6 +43,8 @@ public boolean isLanguage(StructClass cl) {
         StructAnnotationAttribute attr = cl.getAttribute((Key<StructAnnotationAttribute>) key);
         for (AnnotationExprent anno : attr.getAnnotations()) {
           if (anno.getClassName().equals("kotlin/Metadata")) {
+            // Line removed as it slows down decompilation significantly, and it doesn't seem to break anything
+            //TODO double-check if it breaks anything
 //            setContextVariables(cl);
             return true;
           }