Remove SNMP Managers

Allow the user to remove SNMP Managers.
If the SNMP Manager being removed exists in the backend, make a
call to remove it.

Tested: Removed SNMP Managers on a Witherspoon
Change-Id: Ib392cda30754adfaa58f6301592c2d666ff2c29e
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/configuration/styles/snmp.scss b/app/configuration/styles/snmp.scss
index eabfb7a..1afefd0 100644
--- a/app/configuration/styles/snmp.scss
+++ b/app/configuration/styles/snmp.scss
@@ -10,8 +10,11 @@
   }
 
    .snmp__manager-field {
+    display:inline-block;
     padding-right: 4em;
     width: 350px;
+    padding-top: .6em;
+    padding-left: 0em;
   }
 
   .snmp__metadata-wrapper {
@@ -36,4 +39,13 @@
       margin: .5em;
     }
   }
+  .snmp__manager-remove {
+    display:inline-block;
+    color: $medblue;
+    height: 2.1em;
+    opacity: 1;
+    &:hover {
+      cursor: pointer;
+    }
+  }
 }