Revert "ARM: dts: msm: Define jtag save restore flag for 8996"

This reverts commit '63b5a3e1' ("ARM: dts: msm: Define jtag
save restore flag for 8996")'

commit '63b5a3e1' causing the stability issues. Revert the
change until root cause is found.

Change-Id: I2b30b752fa1e5980555996c58f0a6e04f92f9ae8
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>