chore: remove readme link from DA (#745)

Author: zikra-iqbal

ibm_catalog.json

@@ -412,7 +412,8 @@
               "key": "remote_leader_crn"
             }
           ],
-          "terraform_version": "1.12.2"
+          "terraform_version": "1.12.2",
+          "ignore_readme": true
         },
         {
           "label": "Security-enforced",
@@ -707,7 +708,8 @@
               "key": "remote_leader_crn"
             }
           ],
-          "terraform_version": "1.12.2"
+          "terraform_version": "1.12.2",
+          "ignore_readme": true
         }
       ]
     }