Cluster inference should not run for unsupported platform (#941)

Signed-off-by: Partho Sarthi <psarthi@nvidia.com>

user_tools/src/spark_rapids_pytools/rapids/qualification.py

@@ -902,7 +902,7 @@ def __infer_cluster_and_update_savings(self, cluster_info_df: pd.DataFrame):
         Update savings if CPU cluster can be inferred and corresponding GPU cluster can be defined.
         :param cluster_info_df: Parsed cluster information.
         """
-        if self.ctxt.get_ctxt('cpuClusterProxy') is not None:
+        if self.ctxt.get_ctxt('cpuClusterProxy') is not None or not self.ctxt.platform.cluster_inference_supported:
             return
 
         # Infer the CPU cluster from the cluster information