[FIX] web: use default cursor on many2many badge

Before this commit: when we hovering badge of many2many field, the cursor is
pointer while clicking on badge does nothing so cursor should be default.

After this commit: when we hovering badge of many2many field(without color
field), the cursor is default.

closes odoo/odoo#69905

Task: 2515190
Signed-off-by: Simon Genin (ges@odoo) <ges@odoo.com>

addons/web/static/src/scss/fields.scss

@@ -103,7 +103,6 @@
             flex: 0 0 auto;
             border: 0;
             font-size: 12px;
-            cursor: pointer;
             user-select: none;
 
             a {