MAGETWO-82810: [Backport 2.2-develop] Fix label to avoid wrapping poorly,now break by word magento#11745

 - Merge Pull Request magento#11745 from enriquei4/magento2:FIX-ADMIN-FIELD-BREAK-LABELS-2-2
 - Merged commits:
   1. 6e25ab3

Author: miguelbalparda

app/design/adminhtml/Magento/backend/web/css/styles-old.less

@@ -1383,7 +1383,6 @@
             line-height: 1.33;
             vertical-align: middle;
             white-space: normal;
-            word-break: break-all;
 
             &[data-config-scope] {
                 position: relative;