device: Fix not removing connected device

[bluetooth]# connect 40:EF:4C:0C:11:F0
Attempting to connect to 40:EF:4C:0C:11:F0
[CHG] Device 40:EF:4C:0C:11:F0 Connected: yes
Connection successful
[CHG] Device 40:EF:4C:0C:11:F0 ServicesResolved: yes
[UFO]# remove 40:EF:4C:0C:11:F0
[CHG] Device 40:EF:4C:0C:11:F0 ServicesResolved: no
Device has been removed
[CHG] Device 40:EF:4C:0C:11:F0 Connected: no
[bluetooth]# info 40:EF:4C:0C:11:F0
Device 40:EF:4C:0C:11:F0 (public)
        Name: UFO
        Alias: UFO
        Class: 0x00240418
        Icon: audio-headphones
        Paired: yes
        Trusted: no
        Blocked: no
        Connected: no
        LegacyPairing: no
        UUID: Headset
        UUID: Audio Sink
        UUID: A/V Remote Control Target
        UUID: A/V Remote Control
        UUID: Handsfree
        UUID: Phonebook Access Server