IMS: Remove API and constants related to ECT.

- Remove API that checks if call transfer is enabled
based on settings db as now we depend on carrier config
to determine that.

- Remove unused constants.

Change-Id: I57541f271aafb949a4285b6fb4c92ecc2dfdc7d5
CRs-Fixed: 2701524
1 file changed
tree: 16eacb5a5788c6c08613acbb74486e92cab47d36
  1. ims/
  2. internal/
  3. qti-hidl-wrapper/
  4. qti-utils/