feat(ui): refine live observation workspace

apps/control-station/src/styles/device.css

@@ -20,7 +20,6 @@
   display: grid;
   min-width: 0;
   gap: 0.9rem;
-  border: 1px solid var(--station-hairline);
   border-radius: 1rem;
   background: rgb(255 255 255 / 0.025);
   padding: 1rem;
@@ -74,8 +73,6 @@
 .device-model-card dl {
   display: grid;
   gap: 0.42rem;
-  border-top: 1px solid var(--station-hairline);
-  border-bottom: 1px solid var(--station-hairline);
   padding: 0.7rem 0;
 }
 
@@ -441,7 +438,6 @@
   justify-content: space-between;
   gap: 1rem;
   margin-top: 1rem;
-  border-top: 1px solid var(--station-hairline);
   padding-top: 0.9rem;
 }
 
@@ -469,7 +465,6 @@
   min-width: 0;
   grid-template-columns: minmax(7rem, 0.72fr) minmax(0, 1.28fr);
   gap: 1rem;
-  border-top: 1px solid var(--station-hairline);
   padding: 0.7rem 0;
 }