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: 14a146a777c0122c7d390797532d5b386203e5d9

tests/YGRoundingFunctionTest.cpp

@@ -43,11 +43,11 @@ TEST(YogaTest, rounding_value) {
 }
 
 static YGSize measureText(
-    YGNodeRef node,
-    float width,
-    YGMeasureMode widthMode,
-    float height,
-    YGMeasureMode heightMode) {
+    YGNodeRef /*node*/,
+    float /*width*/,
+    YGMeasureMode /*widthMode*/,
+    float /*height*/,
+    YGMeasureMode /*heightMode*/) {
   return YGSize{10, 10};
 }