Remove unused RF90_PATH_C and RF90_PATH_D. Justification can be quite
complex.

The following code lines are mandatory to keep in mind when reading the
patches:
enum rf90_radio_path {
	RF90_PATH_A = 0,
	RF90_PATH_B = 1,
	RF90_PATH_C = 2,
	RF90_PATH_D = 3,
	RF90_PATH_MAX
};

Tested with rtl8192e
Transferred this patch over wlan connection of rtl8192e

Philipp Hortmann (2):
  staging: rtl8192e: Replace RF90_PATH_C in test expression of for loop
  staging: rtl8192e: Remove function rtl92e_is_legal_rf_path

 .../staging/rtl8192e/rtl8192e/r8190P_rtl8256.c |  6 ------
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c |  4 +---
 drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c | 18 ------------------
 drivers/staging/rtl8192e/rtl8192e/r8192E_phy.h |  1 -
 4 files changed, 1 insertion(+), 28 deletions(-)

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2.39.2