Remove a useless TODO
diff --git a/src/bc/program.c b/src/bc/program.c
index 648f873..f6950a7 100644
--- a/src/bc/program.c
+++ b/src/bc/program.c
@@ -780,7 +780,6 @@
 
     inst = code[ip->idx];
 
-    // TODO: Fill this out.
     switch (inst) {
 
       case BC_INST_PUSH_VAR: