fix deprecated not syntax

Author: myfreess

src/fuzzy_search.mbt

@@ -60,7 +60,7 @@ fn[Query : StringLike, Item : StringLike] score_single_query(
   case_sensitive~ : Bool,
 ) -> Int {
   let { found, start_idx, end_idx } = find_start_end_indices(query~, item~)
-  if not(found) {
+  if !found {
     0
   } else {
     let start_char_class = if start_idx == 0 {
@@ -96,7 +96,7 @@ fn[Query : StringLike, Item : StringLike] score_single_query(
             max(with_start_of_item_bonus, prev_char_score)
           }
           let with_wrong_case_penalty = if item_char == query_char ||
-            not(case_sensitive) {
+            !case_sensitive {
             with_consecutive_bonus
           } else {
             with_consecutive_bonus - wrong_case_penalty
@@ -113,7 +113,7 @@ fn[Query : StringLike, Item : StringLike] score_single_query(
         prev_char_score = this_char_score
         in_gap = false
       } else {
-        let this_char_score = if not(in_gap) {
+        let this_char_score = if !in_gap {
           -continue_gap_penalty
         } else {
           -start_gap_penalty

src/query.mbt

@@ -15,7 +15,7 @@ pub fn Query::new(query : String) -> Query {
   let queries = query
     .split(" ")
     .filter_map(fn(s) {
-      if not(s.is_empty()) {
+      if !s.is_empty() {
         Some(s.to_string())
       } else {
         None