patch 8.1.0708: third argument for redrawWinline() is always FALSE

Problem:    Third argument for redrawWinline() is always FALSE.
Solution:   Drop the argument. (neovim #9479)
diff --git a/src/edit.c b/src/edit.c
index 813e95d..bd840d1 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -1955,7 +1955,7 @@
 	if (pc_status == PC_STATUS_RIGHT)
 	    ++curwin->w_wcol;
 	if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT)
-	    redrawWinline(curwin, curwin->w_cursor.lnum, FALSE);
+	    redrawWinline(curwin, curwin->w_cursor.lnum);
 	else
 #endif
 	    screen_puts(pc_bytes, pc_row - msg_scrolled, pc_col, pc_attr);
@@ -2006,7 +2006,7 @@
     if (dollar_vcol >= 0)
     {
 	dollar_vcol = -1;
-	redrawWinline(curwin, curwin->w_cursor.lnum, FALSE);
+	redrawWinline(curwin, curwin->w_cursor.lnum);
     }
 }
 
@@ -7074,7 +7074,7 @@
 	linenr_T	lnum = spell_redraw_lnum;
 
 	spell_redraw_lnum = 0;
-	redrawWinline(curwin, lnum, FALSE);
+	redrawWinline(curwin, lnum);
     }
 }