[ONOS-8096] In GUI2 device panel space before colon creates unnecessary wrap

Change-Id: I08ca8b70dc6c21d12714f510c9fa3473ad41c261
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/details/details.component.html b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/details/details.component.html
index d224db5..02d3285 100644
--- a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/details/details.component.html
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/details/details.component.html
@@ -35,7 +35,7 @@
             create a cell for the name and another for the value -->
                 <tr *ngFor="let p of showDetails?.propOrder">
                     <td *ngIf="showDetails?.propLabels[p] !== '-'"
-                        class="label">{{showDetails?.propLabels[p]}} :</td>
+                        class="label">{{showDetails?.propLabels[p]}}</td>
                     <td *ngIf="showDetails?.propLabels[p] !== '-'"
                         class="value">{{ showDetails?.propValues[p]}}</td>
                     <!-- If the label is '-' then insert a horiz line -->