test: remove outdated missing codec test

The test documented old behavior where missing codec didn't throw.
Now that W3C spec validation is properly implemented, this test
is obsolete and superseded by W3C validation tests.

Author: pproenca

test/unit/video-encoder-methods.test.ts

@@ -61,18 +61,6 @@ describe('VideoEncoder Methods: 6.5', () => {
       encoder.close();
     });
 
-    it('should handle missing codec (implementation-specific)', () => {
-      const encoder = createEncoder();
-      // Note: Per W3C spec, should throw TypeError for missing/invalid codec.
-      // Current native implementation accepts empty codec and attempts to configure.
-      // This test documents current behavior - it does NOT throw synchronously.
-      // @ts-expect-error Testing invalid input
-      encoder.configure({ width: 640, height: 480 });
-      // Implementation currently goes to configured state with empty codec
-      // Future improvement: should validate codec and throw TypeError
-      encoder.close();
-    });
-
     it('should throw when width is missing', () => {
       const encoder = createEncoder();
       // Note: Per W3C spec, should throw TypeError for missing width.