removed icon margins from sensor scss. fixed with global icons change.

Change-Id: I9c476494da23be95aa61a015b9ee457f657fe6a5
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/server-health/styles/sensors.scss b/app/server-health/styles/sensors.scss
index cd30d6f..7ee09cb 100644
--- a/app/server-health/styles/sensors.scss
+++ b/app/server-health/styles/sensors.scss
@@ -62,9 +62,6 @@
     border-top: 0;
     background: transparent;
   }
-  .icon {
-    margin: -8px 0 -8px -8px;
-  }
   .sensor__title {
     font-weight: 700;
     background: darken($lightgrey, 5%);