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/miscutils/hdparm.c b/miscutils/hdparm.c
index e43a0de..8467528 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -25,7 +25,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the -I and -i options to obtain detailed information
+//config:	  Enable the -I and -i options to obtain detailed information
 //config:	  directly from drives about their capabilities and supported ATA
 //config:	  feature set. If no device name is specified, hdparm will read
 //config:	  identify data from stdin. Enabling this option will add about 16k...
@@ -35,7 +35,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the 'hdparm -R' option to register an IDE interface.
+//config:	  Enable the 'hdparm -R' option to register an IDE interface.
 //config:	  This is dangerous stuff, so you should probably say N.
 //config:
 //config:config FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
@@ -43,7 +43,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the 'hdparm -U' option to un-register an IDE interface.
+//config:	  Enable the 'hdparm -U' option to un-register an IDE interface.
 //config:	  This is dangerous stuff, so you should probably say N.
 //config:
 //config:config FEATURE_HDPARM_HDIO_DRIVE_RESET
@@ -51,7 +51,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the 'hdparm -w' option to perform a device reset.
+//config:	  Enable the 'hdparm -w' option to perform a device reset.
 //config:	  This is dangerous stuff, so you should probably say N.
 //config:
 //config:config FEATURE_HDPARM_HDIO_TRISTATE_HWIF
@@ -59,7 +59,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the 'hdparm -x' option to tristate device for hotswap,
+//config:	  Enable the 'hdparm -x' option to tristate device for hotswap,
 //config:	  and the '-b' option to get/set bus state. This is dangerous
 //config:	  stuff, so you should probably say N.
 //config:
@@ -68,7 +68,7 @@
 //config:	default y
 //config:	depends on HDPARM
 //config:	help
-//config:	  Enables the 'hdparm -d' option to get/set using_dma flag.
+//config:	  Enable the 'hdparm -d' option to get/set using_dma flag.
 
 //applet:IF_HDPARM(APPLET(hdparm, BB_DIR_SBIN, BB_SUID_DROP))