[Tests] Fixed typo: 'Any type *should* accept any value'

__tests__/PropTypesDevelopmentReact15.js

@@ -401,7 +401,7 @@ describe('PropTypesDevelopmentReact15', () => {
   });
 
   describe('Any type', () => {
-    it('should should accept any value', () => {
+    it('should accept any value', () => {
       typeCheckPass(PropTypes.any, 0);
       typeCheckPass(PropTypes.any, 'str');
       typeCheckPass(PropTypes.any, []);

__tests__/PropTypesDevelopmentStandalone-test.js

@@ -398,7 +398,7 @@ describe('PropTypesDevelopmentStandalone', () => {
   });
 
   describe('Any type', () => {
-    it('should should accept any value', () => {
+    it('should accept any value', () => {
       typeCheckPass(PropTypes.any, 0);
       typeCheckPass(PropTypes.any, 'str');
       typeCheckPass(PropTypes.any, []);

__tests__/PropTypesProductionReact15-test.js

@@ -177,7 +177,7 @@ describe('PropTypesProductionReact15', () => {
   });
 
   describe('Any type', () => {
-    it('should should accept any value', () => {
+    it('should accept any value', () => {
       expectNoop(PropTypes.any, 0);
       expectNoop(PropTypes.any, 'str');
       expectNoop(PropTypes.any, []);