ramlog: Remove all ramlog_consoleinit related code

Because we can get the same function by CONSOLE_SYSLOG/syslog_console_init.
BTW, it isn't a good choice to use g_ramlogfops as /dev/console since nsh
will read back what it send out which will surprise most people.

arch/x86/src/common/up_initialize.c

@@ -157,8 +157,6 @@ void up_initialize(void)
 
 #if defined(CONFIG_CONSOLE_SYSLOG)
   syslog_console_init();
-#elif defined(CONFIG_RAMLOG_CONSOLE)
-  ramlog_consoleinit();
 #endif
 
 #ifdef CONFIG_PSEUDOTERM_SUSV1

arch/x86/src/common/up_internal.h

@@ -59,15 +59,9 @@
 #ifndef CONFIG_DEV_CONSOLE
 #  undef  USE_SERIALDRIVER
 #  undef  USE_EARLYSERIALINIT
-#  undef  CONFIG_RAMLOG_CONSOLE
 #else
-#  if defined(CONFIG_RAMLOG_CONSOLE)
-#    undef  USE_SERIALDRIVER
-#    undef  USE_EARLYSERIALINIT
-#  else
-#    define USE_SERIALDRIVER 1
-#    define USE_EARLYSERIALINIT 1
-#  endif
+#  define USE_SERIALDRIVER 1
+#  define USE_EARLYSERIALINIT 1
 #endif
 
 /* If some other device is used as the console, then the serial driver may
@@ -83,7 +77,7 @@
 /* Check if an interrupt stack size is configured */
 
 #ifndef CONFIG_ARCH_INTERRUPTSTACK
-# define CONFIG_ARCH_INTERRUPTSTACK 0
+#  define CONFIG_ARCH_INTERRUPTSTACK 0
 #endif
 
 /* Macros to handle saving and restore interrupt state.  In the current