When compiling with W=1 enabling -Wmissing-prototypes the compiler
warns:
  arch/openrisc/mm/tlb.c:188:13: error: no previous prototype for 'tlb_init' [-Werror=missing-prototypes]
This function is not implemented or used so remove it.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Closes: https://lore.kernel.org/linux-kernel/20230810141947.1236730-17-arnd@kernel.org/
Signed-off-by: Stafford Horne <shorne@gmail.com>
 
 void __init paging_init(void)
 {
-       extern void tlb_init(void);
-
        int i;
 
        printk(KERN_INFO "Setting up paging and PTEs.\n");
 
        flush_tlb_mm(mm);
 
 }
-
-/* called once during VM initialization, from init.c */
-
-void __init tlb_init(void)
-{
-       /* Do nothing... */
-       /* invalidate the entire TLB */
-       /* flush_tlb_all(); */
-}