video: tegra: hdmi: remove HDMI hotoplug emulation

video: tegra: hdmi: remove HDMI hotoplug emulation

Remove unnecessary hotplug emulation for HDTV.
(Only DVI monitors require hotplug emulation).

bug 1495496

Change-Id: Ie7c30f9307864099fd6ad14f2d863a809f570104
Signed-off-by: Jong Kim <jongk@nvidia.com>
Reviewed-on: http://git-master/r/411747
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-by: Pankaj Dabade <pdabade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>