Remove duplicated supports bits

supports_central_peripheral_role_switch
(supports_role_switch)
supports_ble_connection_parameter_request
(supports_ble_connection_parameters_request)

Bug: 301661850
Test: atest bluetooth_test_gd_unit
Flag: EXEMPT, no-op change
Change-Id: I26cf85c06cb6f3e10db8d3d1b23879fead51f29a