msm: pil-q6v5-mss: Do not generate redundant smem ramdump

When the device crashes, smem ramdump is already generated by the smem
driver. Therefore, the smem ramdump generated by pil-q6v5-mss is redundant
and the code responsible for it can be taken out.

CRs-fixed: 485208
Change-Id: I8b67ff9f54663b68268b7b87e9cb1f3930219afa
Signed-off-by: Seemanta Dutta <seemanta@codeaurora.org>