move help text from include/usage.src.h to console-tools/*.c

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

console-tools/deallocvt.c

@@ -10,6 +10,11 @@
 
 /* no options, no getopt */
 
+//usage:#define deallocvt_trivial_usage
+//usage:       "[N]"
+//usage:#define deallocvt_full_usage "\n\n"
+//usage:       "Deallocate unused virtual terminal /dev/ttyN"
+
 #include "libbb.h"
 
 /* From <linux/vt.h> */