Back out "Gentest and initial tests for intrinsic sizing" (#1751)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1751

Original commit changeset: 1e3e7214fab0

Original Phabricator Diff: D64145117

Reviewed By: NickGerleman

Differential Revision: D66332308

fbshipit-source-id: 52d6cc754cb931e851e444bac2c946907a098235

gentest/gentest.js

@@ -654,13 +654,6 @@ function pointValue(e, value) {
       return e.YGAuto;
     case 'undefined':
       return e.YGUndefined;
-    case 'max-content':
-      return e.YGMaxContent;
-    case 'fit-content':
-      return e.YGFitContent;
-    case 'stretch':
-    case '-webkit-fill-available':
-      return e.YGStretch;
     default:
       return value;
   }