Big cleanup in config help and description

Redundant help texts (one which only repeats the description)
are deleted.

Descriptions and help texts are trimmed.

Some config options are moved, even across menus.

No config option _names_ are changed.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/procps/ps.c b/procps/ps.c
index e291ecd..1d38059 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -32,19 +32,10 @@
 //config:	  Adds fields PPID, RSS, START, TIME & TTY
 //config:
 //config:config FEATURE_PS_TIME
-//config:	bool "Enable time and elapsed time output"
+//config:	bool "Support -o time and -o etime output specifiers"
 //config:	default y
 //config:	depends on PS && DESKTOP
 //config:	select PLATFORM_LINUX
-//config:	help
-//config:	  Support -o time and -o etime output specifiers.
-//config:
-//config:config FEATURE_PS_ADDITIONAL_COLUMNS
-//config:	bool "Enable additional ps columns"
-//config:	default y
-//config:	depends on PS && DESKTOP
-//config:	help
-//config:	  Support -o rgroup, -o ruser, -o nice output specifiers.
 //config:
 //config:config FEATURE_PS_UNUSUAL_SYSTEMS
 //config:	bool "Support Linux prior to 2.4.0 and non-ELF systems"
@@ -53,6 +44,11 @@
 //config:	help
 //config:	  Include support for measuring HZ on old kernels and non-ELF systems
 //config:	  (if you are on Linux 2.4.0+ and use ELF, you don't need this)
+//config:
+//config:config FEATURE_PS_ADDITIONAL_COLUMNS
+//config:	bool "Support -o rgroup, -o ruser, -o nice specifiers"
+//config:	default y
+//config:	depends on PS && DESKTOP
 
 //applet:IF_PS(APPLET(ps, BB_DIR_BIN, BB_SUID_DROP))