powerpc: Remove duplicate SPRN_HSRR definitions

There are two copies of these defines. Keep the older ones as they have
associated bit definitions.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230405045316.95003-1-joel@jms.id.au

arch/powerpc/include/asm/reg.h

@@ -382,8 +382,6 @@
 #define SPRN_HIOR	0x137	/* 970 Hypervisor interrupt offset */
 #define SPRN_RMOR	0x138	/* Real mode offset register */
 #define SPRN_HRMOR	0x139	/* Real mode offset register */
-#define SPRN_HSRR0	0x13A	/* Hypervisor Save/Restore 0 */
-#define SPRN_HSRR1	0x13B	/* Hypervisor Save/Restore 1 */
 #define SPRN_ASDR	0x330	/* Access segment descriptor register */
 #define SPRN_IC		0x350	/* Virtual Instruction Count */
 #define SPRN_VTB	0x351	/* Virtual Time Base */