Removed support for IE 10 and Safari 8

spec/core/asymmetric_equality/MapContainingSpec.js

@@ -1,4 +1,3 @@
-/* eslint-disable compat/compat */
 describe('MapContaining', function() {
   function MapI(iterable) {
     // for IE11
@@ -9,10 +8,6 @@ describe('MapContaining', function() {
     return map;
   }
 
-  beforeEach(function() {
-    jasmine.getEnv().requireFunctioningMaps();
-  });
-
   it('matches any actual map to an empty map', function() {
     var actualMap = new MapI([['foo', 'bar']]);
     var containing = new jasmineUnderTest.MapContaining(new Map());