Drop deprecated --es5-readonly flag from test suite.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/377273002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22306 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/object-define-property.js

@@ -27,7 +27,7 @@
 
 // Tests the object.defineProperty method - ES 15.2.3.6
 
-// Flags: --allow-natives-syntax --es5-readonly
+// Flags: --allow-natives-syntax
 
 // Check that an exception is thrown when null is passed as object.
 var exception = false;

test/mjsunit/override-read-only-property.js

@@ -25,8 +25,6 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --es5_readonly
-
 // According to ECMA-262, sections 8.6.2.2 and 8.6.2.3 you're not
 // allowed to override read-only properties, not even if the read-only
 // property is in the prototype chain.

test/mjsunit/readonly.js

@@ -25,8 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax --es5_readonly
-// Flags: --harmony-proxies
+// Flags: --allow-natives-syntax --harmony-proxies
 
 // Different ways to create an object.
 

test/mjsunit/with-readonly.js

@@ -27,8 +27,6 @@
 
 // Test that readonly variables are treated correctly.
 
-// Flags: --es5_readonly
-
 // Create an object with a read-only length property in the prototype
 // chain by putting the string split function in the prototype chain.
 var o = {};