removed obsolete TAB key support

src/kernal/screen/chrout_screen_jumptable_codes.s

@@ -29,10 +29,6 @@ __chrout_screen_jumptable_quote_guard:
 
 !ifdef CONFIG_EDIT_STOPQUOTE {
 	!byte KEY_STOP
-}
-!ifdef CONFIG_EDIT_TABULATORS {
-	!byte KEY_C64_TAB_BW
-	!byte KEY_C64_TAB_FW
 }
 	!byte KEY_DEL
 	!byte KEY_RETURN
@@ -60,10 +56,6 @@ chrout_screen_jumptable_lo:
 	!byte <(chrout_screen_INS-1)
 !ifdef CONFIG_EDIT_STOPQUOTE {
 	!byte <(chrout_screen_STOP-1)
-}
-!ifdef CONFIG_EDIT_TABULATORS {
-	!byte <(chrout_screen_TAB_BW-1)
-	!byte <(chrout_screen_TAB_FW-1)
 }
 	!byte <(chrout_screen_DEL-1)
 	!byte <(chrout_screen_RETURN-1)
@@ -85,10 +77,6 @@ chrout_screen_jumptable_hi:
 	!byte >(chrout_screen_INS-1)
 !ifdef CONFIG_EDIT_STOPQUOTE {
 	!byte >(chrout_screen_STOP-1)
-}
-!ifdef CONFIG_EDIT_TABULATORS {
-	!byte >(chrout_screen_TAB_BW-1)
-	!byte >(chrout_screen_TAB_FW-1)
 }
 	!byte >(chrout_screen_DEL-1)
 	!byte >(chrout_screen_RETURN-1)
@@ -114,10 +102,6 @@ chrout_screen_jumptable:
 	!word chrout_screen_INS
 !ifdef CONFIG_EDIT_STOPQUOTE {
 	!word chrout_screen_STOP
-}
-!ifdef CONFIG_EDIT_TABULATORS {
-	!word chrout_screen_TAB_BW
-	!word chrout_screen_TAB_FW
 }
 	!word chrout_screen_DEL
 	!word chrout_screen_RETURN

src/kernal/screen/chrout_screen_tab.s

@@ -1,42 +0,0 @@
-;; #LAYOUT# STD *        #TAKE
-;; #LAYOUT# X16 *        #IGNORE
-;; #LAYOUT# *   KERNAL_0 #TAKE
-;; #LAYOUT# *   *        #IGNORE
-
-;
-; Tabulation keys handling within CHROUT
-;
-
-
-!ifdef CONFIG_EDIT_TABULATORS {
-
-
-chrout_screen_TAB_FW:
-
-	jsr screen_get_clipped_PNTR
-	tya
-	ora #%00000111
-	tay
-	iny
-	cpy #40
-	bcc @1
-	ldy #39
-@1:
-	sty PNTR
-	
-	jmp chrout_screen_calc_lptr_done
-
-
-chrout_screen_TAB_BW:
-
-	jsr screen_get_clipped_PNTR
-	beq @2                             ; column 0,  recalculating pointers is not necessary, but this is a rare case nevertheless
-
-	dey
-	tya
-	and #%11111000
-	sta PNTR
-@2:
-	jmp chrout_screen_calc_lptr_done
-
-} ; CONFIG_EDIT_TABULATORS