assert: remove unused catch bindings

PR-URL: #24079
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Wyatt Preul <wpreul@gmail.com>

Author: cjihrig

lib/assert.js

@@ -315,8 +315,8 @@ function getErrMessage(message, fn) {
     errorCache.set(identifier, message);
 
     return message;
-  } catch (e) {
-  // Invalidate cache to prevent trying to read this part again.
+  } catch {
+    // Invalidate cache to prevent trying to read this part again.
     errorCache.set(identifier, undefined);
   } finally {
     // Reset limit.