Apply fixes from clag-tidy misc-unused-parameters (#1293)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1293

X-link: https://github.com/facebook/react-native/pull/37384

Gets the project mostly clean of `-Wunused-parameter`, part of `-Wextra`.

Reviewed By: yungsters

Differential Revision: D45772554

fbshipit-source-id: db4c4d2bd222debef178c4c16f7b60fb6c8db2a2

tests/YGAspectRatioTest.cpp

@@ -10,7 +10,7 @@
 #include <yoga/Yoga.h>
 
 static YGSize _measure(
-    YGNodeRef node,
+    YGNodeRef /*node*/,
     float width,
     YGMeasureMode widthMode,
     float height,