powerpc/eeh: Remove unused inline function eeh_dev_phb_init_dynamic()

commit 475028ef ("powerpc/eeh: Remove eeh_dev_phb_init_dynamic()")
left behind this, so can remove it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210324140714.19612-1-yuehaibing@huawei.com

arch/powerpc/include/asm/eeh.h

@@ -333,8 +333,6 @@ static inline bool eeh_enabled(void)
 
 static inline void eeh_show_enabled(void) { }
 
-static inline void eeh_dev_phb_init_dynamic(struct pci_controller *phb) { }
-
 static inline int eeh_check_failure(const volatile void __iomem *token)
 {
 	return 0;