fix: resolve oxlint warnings — suppress false positives, remove unused imports (#22687)

packages/opencode/src/tool/edit.ts

@@ -416,7 +416,7 @@ export const WhitespaceNormalizedReplacer: Replacer = function* (content, find)
             if (match) {
               yield match[0]
             }
-          } catch (e) {
+          } catch {
             // Invalid regex pattern, skip
           }
         }