http-app: fix unused macro clang-tidy warning
```
/data0/jenkins/workspace/ci-repository/openbmc/bmcweb/http/app.hpp:27:9: error: macro is not used [clang-diagnostic-unused-macros,-warnings-as-errors]
#define BMCWEB_ROUTE(app, url)
```
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I49b6239d7d5f31c52af6f6e5b0bc57be22a299b5
diff --git a/http/app.hpp b/http/app.hpp
index d47cd89..a3a6e16 100644
--- a/http/app.hpp
+++ b/http/app.hpp
@@ -23,7 +23,7 @@
#include <string>
#include <utility>
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage, clang-diagnostic-unused-macros)
#define BMCWEB_ROUTE(app, url) \
app.template route<crow::black_magic::getParameterTag(url)>(url)