Revert "Build arm and x86 binaries at the same time."

This fails to build on MacOS X

This reverts commit a39b10bd2574825a815d6ad854499dd127cfa9cb.
diff --git a/android/help.c b/android/help.c
index a2180ef..7df6704 100644
--- a/android/help.c
+++ b/android/help.c
@@ -213,7 +213,6 @@
     datadir );
 }
 
-#ifndef CONFIG_STANDALONE_CORE
 static void
 help_keys(stralloc_t*  out)
 {
@@ -254,7 +253,7 @@
     PRINTF( "\n" );
     PRINTF( "  note that NumLock must be deactivated for keypad keys to work\n\n" );
 }
-#endif /* !CONFIG_STANDALONE_CORE */
+
 
 static void
 help_environment(stralloc_t*  out)
@@ -286,7 +285,7 @@
     );
 }
 
-#ifndef CONFIG_STANDALONE_CORE
+
 static void
 help_keyset_file(stralloc_t*  out)
 {
@@ -356,7 +355,7 @@
     "\n"
     );
 }
-#endif /* !CONFIG_STANDALONE_CORE */
+
 
 static void
 help_debug_tags(stralloc_t*  out)
@@ -1305,7 +1304,6 @@
 }
 
 
-#ifndef CONFIG_STANDALONE_CORE
 static void
 help_keyset(stralloc_t*  out)
 {
@@ -1345,7 +1343,6 @@
     "\n"
     );
 }
-#endif /* !CONFIG_STANDALONE_CORE */
 
 static void
 help_old_system(stralloc_t*  out)
@@ -1497,15 +1494,11 @@
 
 static const TopicHelp    topic_help[] = {
     { "disk-images",  "about disk images",      help_disk_images },
-#ifndef CONFIG_STANDALONE_CORE
     { "keys",         "supported key bindings", help_keys },
-#endif
     { "debug-tags",   "debug tags for -debug <tags>", help_debug_tags },
     { "char-devices", "character <device> specification", help_char_devices },
     { "environment",  "environment variables",  help_environment },
-#ifndef CONFIG_STANDALONE_CORE
     { "keyset-file",  "key bindings configuration file", help_keyset_file },
-#endif
     { "virtual-device", "virtual device management", help_virtual_device },
     { "sdk-images",   "about disk images when using the SDK", help_sdk_images },
     { "build-images", "about disk images when building Android", help_build_images },