Forkify fixes

hercules_ir/src/collections.rs

-use std::collections::{BTreeMap, BTreeSet, HashMap};
+use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
 use std::iter::{once, repeat, zip};
 
 use either::Either;
@@ -432,20 +432,8 @@ pub fn no_reset_constant_collections(
                 init: _,
                 reduct: _,
             } => {
-                // If the einsum for this reduce node is a full array
-                // comprehension, then every array element is written to, and
-                // the empty indices set (the whole collection) is considered as
-                // written to.
-                let (env, exprs) = reduce_einsum;
-                if let Some(expr) = exprs.get(&id)
-                    && let MathExpr::Comprehension(_, _) = env[expr.idx()]
-                {
-                    ZeroLattice::top()
-                }
                 // Otherwise, meet the `init` and `reduct` inputs.
-                else {
-                    ZeroLattice::meet(&inputs[0], &inputs[1])
-                }
+                ZeroLattice::meet(&inputs[0], &inputs[1])
             }
             Node::Write {
                 collect: _,