sm7250-common: nuke non-existent oneplus gpudriver prop

* we switched to caf graphics blobs

Signed-off-by: aswin7469 <aswinas@pixysos.com>
Signed-off-by: Sandeep-FED <sandymankara11@gmail.com>

vendor.prop

@@ -178,7 +178,6 @@ persist.demo.hdmirotationlock=false
 persist.sys.sf.color_mode=0
 persist.sys.sf.color_saturation=1.0
 persist.sys.sf.native_mode=0
-ro.gfx.driver.0=com.oneplus.gpudrivers.kona.api30
 ro.gfx.driver.1=com.qualcomm.qti.gpudrivers.lito.api30
 ro.hardware.egl=adreno
 ro.hardware.vulkan=adreno