Remove unexpected failure of Upsample2d emit test

Summary:
Addressed T160805672.

D48163393 caused a previously expected failure test to succeed. Remove the expected failure.

Reviewed By: kirklandsign

Differential Revision: D48270738

fbshipit-source-id: 0471e9c1d639a7563d2644507d1e714038b4cdf3
diff --git a/exir/emit/test/test_emit.py b/exir/emit/test/test_emit.py
index b099861..c45567c 100644
--- a/exir/emit/test/test_emit.py
+++ b/exir/emit/test/test_emit.py
@@ -645,8 +645,6 @@
             len(program.execution_plan[0].chains[0].instructions[1].instr_args.args), 4
         )
 
-    # UpsampleNearest is incorrectly decomposed
-    @unittest.expectedFailure
     def test_optional_float_list(self) -> None:
         class M(torch.nn.Module):
             def __init__(self):