init/main.c: remove unused declaration of tc_init()

Its user was removed in v2.5.2.4.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

init/main.c

@@ -99,10 +99,6 @@ extern void radix_tree_init(void);
 static inline void mark_rodata_ro(void) { }
 #endif
 
-#ifdef CONFIG_TC
-extern void tc_init(void);
-#endif
-
 /*
  * Debug helper: via this flag we know that we are in 'early bootup code'
  * where only the boot processor is running with IRQ disabled.  This means