del from predefined ANSI, moved keys to "other keys" so values auto-s…

…et via the iota

key.go

@@ -139,14 +139,6 @@ const (
 	keyUS  KeyType = 31  // unit separator
 	keySP  KeyType = 32  // space
 	keyDEL KeyType = 127 // delete. on most systems this is mapped to backspace, I hear
-	KeyCU  KeyType = 200 // ctrl+up
-	KeyCD  KeyType = 201 // ctrl+down
-	KeyCR  KeyType = 202 // ctrl+right
-	KeyCL  KeyType = 203 // ctrl+left
-	KeySU  KeyType = 204 // shift+up
-	KeySD  KeyType = 205 // shift+down
-	KeySR  KeyType = 206 // shift+right
-	KeySL  KeyType = 207 // shift+left
 )
 
 // Control key aliases.
@@ -193,14 +185,6 @@ const (
 	KeyCtrlCaret        KeyType = keyRS  // ctrl+^
 	KeyCtrlUnderscore   KeyType = keyUS  // ctrl+_
 	KeyCtrlQuestionMark KeyType = keyDEL // ctrl+?
-	KeyCtrlUp           KeyType = KeyCU  // ctrl+up
-	KeyCtrlDown         KeyType = KeyCD  // ctrl+down
-	KeyCtrlRight        KeyType = KeyCR  // ctrl+right
-	KeyCtrlLeft         KeyType = KeyCL  // ctrl+left
-	KeyShiftUp          KeyType = KeySU  // shift+up
-	KeyShiftDown        KeyType = KeySD  // shift+down
-	KeyShiftRight       KeyType = KeySR  // shift+right
-	KeyShiftLeft        KeyType = KeySL  // shift+left
 )
 
 // Other keys.
@@ -216,6 +200,14 @@ const (
 	KeyPgUp
 	KeyPgDown
 	KeyDelete
+	KeyCtrlUp
+	KeyCtrlDown
+	KeyCtrlRight
+	KeyCtrlLeft
+	KeyShiftUp
+	KeyShiftDown
+	KeyShiftRight
+	KeyShiftLeft
 )
 
 // Mapping for control keys to friendly consts.