Replace byte(A, X) by zero if A >= 32

test/libyul/yulOptimizerTests/expressionSimplifier/large_byte_access.yul

@@ -0,0 +1,16 @@
+{
+    let a := calldataload(0)
+    let b := byte(33, a)
+    let c := byte(20, a)
+    // create cannot be removed.
+    let d := byte(33, create(0, 0, 0x20))
+}
+// ====
+// step: expressionSimplifier
+// ----
+// {
+//     let a := calldataload(0)
+//     let b := 0
+//     let c := byte(20, a)
+//     let d := byte(33, create(0, 0, 0x20))
+// }