Remove the redundant variable

The member p_idle_last become unnecessary after the status of
pw_current and p_idle_last have been synchronized

Bug: 206060289
Test: Build pass
Change-Id: I86f5c47cc53e3a6fa4231d703e3a5a08106afee3
1 file changed
tree: 2da3272d86c3b61ac1ecef2a80c71efb5c9907b5
  1. ese/
  2. BUILD.bazel
  3. Kconfig
  4. Makefile
  5. st21nfc.c
  6. st21nfc.h