Do I need to keep LightDM after installing GDM3. If not then will it effect any other programmes on removing. Please do not hesitate to ask any info or data needed regarding this problem.
N.B.: I wanna remove because it's slowing my boot time.
Specifications:
OS: Ubuntu 18.04.4 LTS
Memory: 7.7 GiB
Processor: Intel® Pentium(R) CPU G3250 @ 3.20GHz × 2
Graphics: AMD® Cedar
GNOME: 3.28.2
OS type: 64-bit
audit: type=1400 audit(1586965081.908:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session" pid=378 comm="apparmor_parser"
– M.A.K. Ripon Apr 15 '20 at 16:20