Keep MaxViT enabled in the QNN model suite

Remove the QNN-specific MaxViT skip. The test also crashes consistently on main, while the release check's exit 137 was a separate flaky resource failure.\n\nAuthored with Codex assistance.

Author: JacobSzwejbka

backends/test/suite/flows/qualcomm.py

@@ -12,7 +12,6 @@ def _create_qnn_flow(
     per_channel_linear=False,
     is_qat=False,
     use_fp16=True,
-    skip_patterns: list[str] | None = None,
 ) -> TestFlow:
     if quantize and quant_dtype is None:
         raise RuntimeError("Quant dtype must be provided when quantize is true.")
@@ -38,11 +37,10 @@ def create_quantize_stage() -> Quantize:
         tester_factory=create_tester,
         quantize=quantize,
         quantize_stage_factory=create_quantize_stage if quantize else None,
-        skip_patterns=skip_patterns or [],
     )
 
 
-QNN_TEST_FLOW = _create_qnn_flow("qnn", skip_patterns=["test_maxvit_t"])
+QNN_TEST_FLOW = _create_qnn_flow("qnn")
 QNN_16A16W_TEST_FLOW = _create_qnn_flow(
     "qnn_16a16w", quantize=True, quant_dtype=QuantDtype.use_16a16w, use_fp16=False
 )