x230 coreboot: remove unneeded drm_kms_helper.drm_leak_fbdev_smem=1 i915.enable_fbc=0

Author: tlaurion

config/coreboot-x230-maximized.config

@@ -200,7 +200,7 @@ CONFIG_GFX_GMA_PANEL_1_PORT="LVDS"
 CONFIG_HEAP_SIZE=0x4000
 CONFIG_EC_GPE_SCI=0x50
 CONFIG_TPM_MEASURED_BOOT=y
-CONFIG_LINUX_COMMAND_LINE="intel_iommu=igfx_off drm_kms_helper.drm_leak_fbdev_smem=1 i915.enable_fbc=0 quiet"
+CONFIG_LINUX_COMMAND_LINE="intel_iommu=igfx_off quiet"
 CONFIG_BOARD_ROMSIZE_KB_12288=y
 # CONFIG_COREBOOT_ROMSIZE_KB_256 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_512 is not set