defconfig: SDM845: Remove VMEM

VMEM is not supported from sdm845 onwards & is replaced by System cache.

CRs-Fixed: 2045519
Change-Id: I2fa181c09570a75d4c22b177291f27a814610340
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>
2 files changed