WHENCE: Remove claim that qed and bfa/bna firmware came from kernel source

These have only been included in linux-firmware.git.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

WHENCE

@@ -1917,7 +1917,6 @@ Licence:
   in hexadecimal or equivalent format, provided this copyright notice is
   accompanying it.
 
-Found in hex form in kernel source.
 --------------------------------------------------------------------------
 
 Driver: ueagle-atm - Driver for USB ADSL Modems based on Eagle IV Chipset
@@ -2797,8 +2796,6 @@ Permission is hereby granted for the distribution of this firmware data
 in hexadecimal or equivalent format, provided this copyright notice is
 accompanying it.
 
-Found in hex form in kernel source.
-
 QLogic grants permission to use and redistribute these firmware files
 for use with QLogic BR-series devices, but not as a part of the Linux
 kernel or in any other form which would require these files themselves