misc: tegra-baseband: remove legacy edp code

misc: tegra-baseband: remove legacy edp code

With the new sysedp framework in place the older EDP framework code
has been removed. The modem driver references to the old framework
are removed in this patch.

Bug 1486840

Change-Id: Ieeaa5cbce9d493a145db56389f17bae5ece2b7eb
Signed-off-by: Neil Patel <neilp@nvidia.com>
Reviewed-on: http://git-master/r/385657
(cherry picked from commit 8aa3ef6c308b70cba6b270542221d7f16b61585c)
Reviewed-on: http://git-master/r/387877
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Steve Lin <stlin@nvidia.com>