src: remove unnecessary else

Argument is not used by the only caller.

PR-URL: #21874
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

src/node_wrap.h

@@ -35,7 +35,7 @@ namespace node {
 
 // TODO(addaleax): Use real inheritance for the JS object templates to avoid
 // this unnecessary case switching.
-#define WITH_GENERIC_UV_STREAM(env, obj, BODY, ELSE)                          \
+#define WITH_GENERIC_UV_STREAM(env, obj, BODY)                                \
     do {                                                                      \
       if (env->tcp_constructor_template().IsEmpty() == false &&               \
           env->tcp_constructor_template()->HasInstance(obj)) {                \
@@ -49,8 +49,6 @@ namespace node {
                  env->pipe_constructor_template()->HasInstance(obj)) {        \
         PipeWrap* const wrap = Unwrap<PipeWrap>(obj);                         \
         BODY                                                                  \
-      } else {                                                                \
-        ELSE                                                                  \
       }                                                                       \
     } while (0)
 
@@ -62,7 +60,7 @@ inline uv_stream_t* HandleToStream(Environment* env,
     if (wrap == nullptr)
       return nullptr;
     return reinterpret_cast<uv_stream_t*>(wrap->UVHandle());
-  }, {});
+  });
 
   return nullptr;
 }