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/YGBaselineFuncTest.cpp

@@ -9,7 +9,10 @@
 #include <yoga/YGNode.h>
 #include <yoga/Yoga.h>
 
-static float _baseline(YGNodeRef node, const float width, const float height) {
+static float _baseline(
+    YGNodeRef node,
+    const float /*width*/,
+    const float /*height*/) {
   float* baseline = (float*) node->getContext();
   return *baseline;
 }