Remove an unneeded platform check in lint_test_expectations.py

Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py

Index: Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py b/Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py
index 70c04f68860521c195fec266e4a1d2eda519f92b..d04db31d92e197b19727def274e7f85eda21bc88 100644
--- a/Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py
+++ b/Tools/Scripts/webkitpy/layout_tests/lint_test_expectations.py
@@ -47,10 +47,6 @@ _log = logging.getLogger(__name__)
 
 
 def lint(host, options):
-    # FIXME: Remove this when we remove the --chromium flag (crbug.com/245504).
-    if options.platform == 'chromium':
-        options.platform = None
-
     ports_to_lint = [host.port_factory.get(name) for name in host.port_factory.all_port_names(options.platform)]
     files_linted = set()
     lint_failed = False