test: remove duplicate ack-reaction none-scope branch case

src/channels/ack-reactions.test.ts

@@ -36,7 +36,7 @@ describe("shouldAckReaction", () => {
     ).toBe(true);
   });
 
-  it("skips when scope is off or none", () => {
+  it("skips when scope is off", () => {
     expect(
       shouldAckReaction({
         scope: "off",
@@ -48,18 +48,6 @@ describe("shouldAckReaction", () => {
         effectiveWasMentioned: true,
       }),
     ).toBe(false);
-
-    expect(
-      shouldAckReaction({
-        scope: "none",
-        isDirect: true,
-        isGroup: true,
-        isMentionableGroup: true,
-        requireMention: true,
-        canDetectMention: true,
-        effectiveWasMentioned: true,
-      }),
-    ).toBe(false);
   });
 
   it("defaults to group-mentions gating", () => {