Disabling a trap on the controller wouldnt effect any functionality on Airwave unless we have any trigger condition created using those trap values.
Below are the OID info
wlsxUserEntryAttributesChanged : This trap indicates that the user entry attributes have changed.
wlsxAPImpersonation : This trap indicates that an AP detected AP Impersonation because the number of beacons seen has exceeded the expected number by the configured percentage threshold.
wlsxAPRadioEntryChanged : This trap indicates that the Radio configuration has changed.
wlsxNRadioAttributesChanged : A Trap which indicates changes in the Radio attributes of an access point.
wlsxNUserEntryDeleted : This trap indicates that a user was deleted