fix: remove unsupported skipTestConnection for EventHub Fabric connection

Author: Yatish-Microsoft

infra/scripts/fabric/fabric_api.py

@@ -799,7 +799,6 @@ def create_eventhub_connection(self, name: str, namespace_name: str, event_hub_n
             },
             "credentialDetails": {
                 "singleSignOnType": "None",
-                "skipTestConnection": True,
                 "credentials": {
                     "credentialType": "Basic", # the endpoint only accepts Basic auth, but takes SAS key with policy name as password and username
                     "username": shared_access_policy_name, #"RootManageSharedAccessKey",
@@ -862,7 +861,6 @@ def update_eventhub_connection(self, connection_id: str, name: str, namespace_na
                 },
                 "credentialDetails": {
                     "singleSignOnType": "None",
-                    "skipTestConnection": True,
                     "credentials": {
                         "credentialType": "Basic", # the endpoint only accepts Basic auth, but takes SAS key with policy name as password and username
                         "username": shared_access_policy_name,