Remove no-op "capabilities".

This never worked, and implementing it would just be an attempt to cling to
the pre-SELinux past.

Change-Id: Iecba2affa50ee49ccf62677a607bfae95cb0aaf7
diff --git a/init/init_parser.cpp b/init/init_parser.cpp
index 294dc19..5d31017 100644
--- a/init/init_parser.cpp
+++ b/init/init_parser.cpp
@@ -122,7 +122,6 @@
         break;
     case 'c':
         if (!strcmp(s, "opy")) return K_copy;
-        if (!strcmp(s, "apability")) return K_capability;
         if (!strcmp(s, "lass")) return K_class;
         if (!strcmp(s, "lass_start")) return K_class_start;
         if (!strcmp(s, "lass_stop")) return K_class_stop;
@@ -775,8 +774,6 @@
 
     kw = lookup_keyword(args[0]);
     switch (kw) {
-    case K_capability:
-        break;
     case K_class:
         if (nargs != 2) {
             parse_error(state, "class option requires a classname\n");
diff --git a/init/keywords.h b/init/keywords.h
index 09f645b..4246377 100644
--- a/init/keywords.h
+++ b/init/keywords.h
@@ -44,7 +44,6 @@
 enum {
     K_UNKNOWN,
 #endif
-    KEYWORD(capability,  OPTION,  0, 0)
     KEYWORD(class,       OPTION,  0, 0)
     KEYWORD(class_start, COMMAND, 1, do_class_start)
     KEYWORD(class_stop,  COMMAND, 1, do_class_stop)