Remove unnecessary extra classes set in the SqlFieldControl, and also

removed the unnecessary classes for the same in the overrides.css file.

web/pgadmin/static/css/overrides.css

@@ -853,23 +853,6 @@ td.edit-cell.editable.sortable.renderable.editor {
     background-color: #f7f7f7;
 }
 
-/* Define custom height for use in SqlField control */
-.sql_field_height_100 {
-    height: 100px;
-}
-
-.sql_field_height_200 {
-    height: 200px;
-}
-
-.sql_field_height_300 {
-    height: 340px;
-}
-
-.sql_field_height_400 {
-    height: 440px;
-}
-
 .tab-pane.SQL {
   padding: 0px 7px 0px 0px;
 }

web/pgadmin/static/js/backform.pgadmin.js

@@ -1906,7 +1906,7 @@
 
     defaults: {
       label: "",
-      extraClasses: ['sql_field_height_300'], // Add default control height
+      extraClasses: [], // Add default control height
       helpMessage: null,
       maxlength: 4096,
       rows: undefined