Remove Dead Code

Author: rcosta358

liquidjava-verifier/src/main/java/liquidjava/rj_language/ast/Var.java

@@ -70,8 +70,4 @@ public boolean equals(Object obj) {
             return name.equals(other.name);
         }
     }
-
-    public boolean isInternal() {
-        return name.startsWith("#");
-    }
 }