configurations: yosemite5: update medusa board config

1. remove medusa board PDB_BRICK PowerState, it should be always.

Change-Id: Ia75db7aabd71bfe14149cb4337d221a5ca6e3d79
Signed-off-by: Leo Yang <Leo-Yang@quantatw.com>
diff --git a/configurations/meta/yosemite5_medusa_board.json b/configurations/meta/yosemite5_medusa_board.json
index 6a76a3e..1c2ce0d 100644
--- a/configurations/meta/yosemite5_medusa_board.json
+++ b/configurations/meta/yosemite5_medusa_board.json
@@ -520,7 +520,6 @@
                 "pout1"
             ],
             "Name": "PDB_BRICK0",
-            "PowerState": "On",
             "Thresholds": [
                 {
                     "Direction": "less than",
@@ -559,7 +558,6 @@
                 "pout1"
             ],
             "Name": "PDB_BRICK1",
-            "PowerState": "On",
             "Thresholds": [
                 {
                     "Direction": "less than",
@@ -598,7 +596,6 @@
                 "pout1"
             ],
             "Name": "PDB_BRICK2",
-            "PowerState": "On",
             "Thresholds": [
                 {
                     "Direction": "less than",