Remove 'Test_GPU_SDR_Info_At_Power_On' tag from regression bucket

This requires MRW changes and Dev has no plan to fix it and is a low
priority.

Change-Id: I9fc032e1b697c36ba0261dd2ff4c8cd77077a170
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/test_lists/witherspoon/regression_bucket b/test_lists/witherspoon/regression_bucket
index a81458b..71d9f83 100644
--- a/test_lists/witherspoon/regression_bucket
+++ b/test_lists/witherspoon/regression_bucket
@@ -10,7 +10,6 @@
 -i Test_IPMI_Warm_Reset
 -i Test_CPU_Core_SDR_Info_At_Power_On
 -i Test_DIMM_SDR_Info_At_Power_On
--i Test_GPU_SDR_Info_At_Power_On
 -i Test_Turbo_Allowed_SDR_Info
 -i Test_Auto_Reboot_SDR_Info
 -i Test_TPM_Enable_SDR_Info