This change reverts 4 recent bluetooth firmware changes, which were
corrupt submissions which git failed to apply the binary portions of.
Revert them so fixed versions can be applied.
a42f895 linux-firmware: Update firmware patch for Intel Bluetooth 8260
c113d33 linux-firmware: Update firmware file for Intel Bluetooth 8265
041aff8 linux-firmware: Add firmware file for Intel Bluetooth 9260
73d13b5 linux-firmware: Add firmware file for Intel Bluetooth 9560
Signed-off-by: Kyle McMartin <kyle@kernel.org>