LGA1155 boards: Drop VGA_BIOS_{FILE,ID} for iGPU

These boards have a socketed CPU, and the PCI device ID for the iGPU
depends on the installed CPU. Specifying a default doesn't make sense.

Change-Id: Iee6749e4fb691f09664cc6ffb3cbf66e4230fa9c
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54361
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/asus/maximus_iv_gene-z/Kconfig

@@ -28,10 +28,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "Maximus IV GENE-Z"
 
-config VGA_BIOS_ID
-	string
-	default "8086,0112"
-
 config USBDEBUG_HCD_INDEX
 	int
 	default 1

src/mainboard/asus/p8h61-m_pro/Kconfig

@@ -29,12 +29,4 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "P8H61-M PRO"
 
-config VGA_BIOS_FILE
-	string
-	default "pci8086,0152.rom"
-
-config VGA_BIOS_ID
-	string
-	default "8086,0152"
-
 endif # BOARD_ASUS_P8H61_M_PRO

src/mainboard/dell/optiplex_9010/Kconfig

@@ -28,14 +28,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "OptiPlex 9010"
 
-config VGA_BIOS_FILE
-	string
-	default "pci8086,0162.rom"
-
-config VGA_BIOS_ID
-	string
-	default "8086,0162"
-
 config DRAM_RESET_GATE_GPIO
 	int
 	default 60

src/mainboard/hp/compaq_8200_elite_sff/Kconfig

@@ -30,14 +30,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "HP Compaq 8200 Elite SFF PC"
 
-config VGA_BIOS_FILE
-	string
-	default "pci8086,0102.rom"
-
-config VGA_BIOS_ID
-	string
-	default "8086,0102"
-
 config DRAM_RESET_GATE_GPIO
 	int
 	default 60

src/mainboard/hp/z220_sff_workstation/Kconfig

@@ -43,14 +43,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "HP Z220 SFF Workstation"
 
-config VGA_BIOS_FILE
-	string
-	default "pci8086,0102.rom"
-
-config VGA_BIOS_ID
-	string
-	default "8086,0102"
-
 config DRAM_RESET_GATE_GPIO
 	int
 	default 60

src/mainboard/sapphire/pureplatinumh61/Kconfig

@@ -23,14 +23,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "Pure Platinum H61"
 
-config VGA_BIOS_FILE
-	string
-	default "pci8086,0162.rom"
-
-config VGA_BIOS_ID
-	string
-	default "8086,0162"
-
 config DRAM_RESET_GATE_GPIO
 	int
 	default 60