Un-enable language tests for IE 11.

tools/bots/compiler.py

Index: tools/bots/compiler.py
diff --git a/tools/bots/compiler.py b/tools/bots/compiler.py
index 6b23de065241a6663fd3e7f52e8ef3458733dfeb..afe8f2d627b5c903b624a37e263acda11c9ee19d 100644
--- a/tools/bots/compiler.py
+++ b/tools/bots/compiler.py
@@ -262,13 +262,9 @@ def TestCompiler(runtime, mode, system, flags, is_buildbot, arch,
     TestStep("dart2js_unit", mode, system, 'none', 'vm', ['dart2js'],
              unit_test_flags, arch)
 
-  if compiler == 'dart2js' and runtime in ['ie10']:
+  if compiler == 'dart2js' and runtime in ['ie10', 'ie11']:
     TestStep(compiler, mode, system, compiler, runtime,
              ['html', 'pkg', 'samples'], flags, arch)
-  elif compiler == 'dart2js' and runtime in ['ie11']:
-    #TODO(efortuna): Remove this branch.
-    TestStep(compiler, mode, system, compiler, runtime,
-             ['html', 'pkg', 'samples', 'language'], flags, arch)
   else:
     # Run the default set of test suites.
     TestStep(compiler, mode, system, compiler,