refs #17337 [master] remove WISO branding label

* already done in master-v5
* affecting at least following instances:
* de_gla1
* ba_sn
* de_zi4
* rk_le
* de_15
* de_zwi2

themes/finc/scss/compiled.scss

@@ -513,19 +513,6 @@ table.collapse.in {
 //// Source-id branding (WISO etc)
 .branding {
   display: none;
-
-  &.SID48 {
-    // #14061 adapt the path to get the wiso logo for sub-instances
-    background: url('../../finc/images/wiso-transparent-70x20.png') 0 0 no-repeat;
-    display: inline-block;
-    font-size: 100%; // important to render width and height correctly
-    height: em(20px);
-    margin-left: .2em;
-    //margin-top: ($grid-gutter-width / 8);
-    margin-top: 0;
-    vertical-align: middle;
-    width: em(70px);
-  }
 }
 
 //// Source-id branding (WISO etc) - END