Silence loud error on torchao cpu builds (#1808)

* Silence loud commit

* Update intmm.py

Author: msaroufim

torchao/kernel/intmm.py

@@ -1,17 +1,21 @@
+import logging
 import os
 
 import torch
 
 from torchao.utils import TORCH_VERSION_AT_LEAST_2_2, TORCH_VERSION_AT_LEAST_2_6
 
+logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
+
 try:
     # Only works for torch2.2 or newer.
     if TORCH_VERSION_AT_LEAST_2_2:
         from torchao.kernel import intmm_triton
     else:
         intmm_triton = None
 except ImportError as e:
-    print("import error:", e)
+    logger.debug("import error:", e)
     # On cpu-only builds might not be available.
     intmm_triton = None