Remove duplicate line I introduced

Author: aschwaighofer

utils/build_swift/tests/expected_options.py

@@ -454,7 +454,6 @@ class IgnoreOption(_BaseOption):
     EnableOption('--test-optimize-for-size'),
     EnableOption('--test-optimize-none-implicit-dynamic'),
     EnableOption('--test-optimized'),
-    EnableOption('--test-optimized'),
     EnableOption('--tvos'),
     EnableOption('--validation-test'),
     EnableOption('--verbose-build'),