gatt: Remove unneeded handle range check
gatt: Remove unneeded handle range check

Since the Service Changed is a read-only control point, it not necessary
to compare the previous value read. This logic was added to compare the
result of the read operation with the received indications. Repeated
indications containing the same range is a valid procedure.

pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,ComputeCycles/bluez,ComputeCycles/bluez,mapfau/bluez,pkarasev3/bluez,pkarasev3/bluez,pkarasev3/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,silent-snowman/bluez,mapfau/bluez,pkarasev3/bluez,silent-snowman/bluez,ComputeCycles/bluez,ComputeCycles/bluez,silent-snowman/bluez,mapfau/bluez,mapfau/bluez