sh: Kill off the unused SH_ALPHANUMERIC debug option.

Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig.debug

@@ -121,22 +121,16 @@ config COMPILE_OPTIONS
 	string "Additional compile arguments"
 	depends on MORE_COMPILE_OPTIONS
 
-if SUPERH64
-
 config SH64_SR_WATCH
 	bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
+	depends on SUPERH64
 
 config POOR_MANS_STRACE
 	bool "Debug: enable rudimentary strace facility"
+	depends on SUPERH64
 	help
 	  This option allows system calls to be traced to the console.  It also
 	  aids in detecting kernel stack underflow.  It is useful for debugging
 	  early-userland problems (e.g. init incurring fatal exceptions.)
 
-config SH_ALPHANUMERIC
-	bool "Enable debug outputs to on-board alphanumeric display"
-	depends on SH_CAYMAN
-
-endif
-
 endmenu