CDB: remove min width of code editor in props display

bin/cdb.css

@@ -499,7 +499,6 @@
   position: relative;
 }
 .cdb .cdb-sheet div.cdb-script .codeeditor {
-  min-width: 500px;
   min-height: 500px;
 }
 .cdb .cdb-sheet .cdb-types {

bin/cdb.less

@@ -550,7 +550,6 @@
 		div.cdb-script {
 			position : relative;
 			.codeeditor {
-				min-width: 500px;
 				min-height: 500px;
 			}
 		}