chore: remove repetitive word (#4035)

Signed-off-by: fuyangpengqi <995764973@qq.com>

@commitlint/config-angular/index.test.js

@@ -64,7 +64,7 @@ test('a leading blank line after header', async () => {
 });
 
 test('an invalid scope', async () => {
-	const result = await lintMessage(`no: no is not not an invalid commit type`);
+	const result = await lintMessage(`no: no is not an invalid commit type`);
 
 	expect(result.valid).toBe(false);
 	expect(result.errors[0].message).toBe(