Removing unused variables

SOL005/NSFaultManagement-API/environment/variables.txt

@@ -29,11 +29,8 @@ ${perceivedSeverity}    CRITICAL
 ${probableCause}
 
 ${invalidAlarmId}    invalidAlramID
-${Etag}=    an etag
-${Etag_modified}=    a modified etag
 ${CONTENT_TYPE_PATCH}    application/merge-patch+json
 
-${PerceivedSeverity}    CRITICAL
 
 ${sub_filter}    filter
 ${sub_filter_invalid}    filter_invalid
@@ -41,25 +38,18 @@ ${sub_filter_invalid}    filter_invalid
 ${subscriptionId}    6fc3539c-e602-4afa-8e13-962fb5a7d81f
 ${notification_type}    AlarmNotification
 
-${AlarmNotification}    {}
-${AlarmClearedNotification}    {}
-${AlarmListRebuiltNotification}    {}
 
 ${invalid_etag}=    invalid etag
 
 ${response}    {}
 
 ${req_mock}    {}
-${resp_mock}    {}
 
 ${callback_uri}    http://localhost
 ${callback_port}    9091
 ${callback_endpoint}    /endpoint
 ${callback_endpoint_fwd}    /endpoint/check
-${callback_endpoint_error}    /endpoint_404
 ${sleep_interval}    20s
-${total_polling_time}   2 min
-${polling_interval}     10 sec
 
 ${notification_request}    []
 ${notification_response}    []