Removed function that wasn't being used in 'greg', moved to 'main'

cmd/helpers.go

@@ -0,0 +1,14 @@
+package main
+
+import "slices"
+
+// Returns all elements in slice A that are NOT in slice B
+func setDifference[T comparable](s1 []T, s2 []T) []T {
+	toReturn := make([]T, 0, len(s1))
+	for _, val := range s1 {
+		if !slices.Contains(s2, val) {
+			toReturn = append(toReturn, val)
+		}
+	}
+	return toReturn
+}