Update disable_feature flag to make it short string

Author: antonioalwan

IdentityCore/src/MSIDConstants.m

@@ -87,7 +87,8 @@
 NSString *const MSID_FLIGHT_SUPPORT_DUNA_CBA = @"support_duna_cba_v2";
 NSString *const MSID_FLIGHT_CLIENT_SFRT_STATUS = @"sfrt_status";
 
-NSString *const MSID_FLIGHT_DISABLE_REMOVE_ACCOUNT_ARTIFACTS = @"disable_remove_account_artifacts";
+// Making the flight string short to avoid legacy broker url size limit
+NSString *const MSID_FLIGHT_DISABLE_REMOVE_ACCOUNT_ARTIFACTS = @"disable_rm_metadata";
 
 
 #define METHODANDLINE   [NSString stringWithFormat:@"%s [Line %d]", __PRETTY_FUNCTION__, __LINE__]