drm/msm/hdmi: drop qfprom.xml.h

The qfprom.xml.h contains definitions for the nvmem code. They are not
used in the existing code. Also if we were to use them later, we should
have used nvmem cell API instead of using these defs. Drop the file.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/585848/
Link: https://lore.kernel.org/r/20240401-fd-xml-shipped-v5-2-4bdb277a85a1@linaro.org