[FIX] estate: resolve minor mistake

Author: keman-odoo

estate/__manifest__.py

@@ -5,6 +5,6 @@
     'license': "LGPL-3",
     'category': "Tutorials",
     'depends': ['base'],
-    'summary': "manage properties, track buyers offers, and handle property sales efficiently",
+    'summary': "manage properties, track buyers offers and handle property sales efficiently",
     'sequence': "3",
 }