patch 8.2.0853: ml_delete() often called with FALSE argument

Problem:    ml_delete() often called with FALSE argument.
Solution:   Use ml_delete_flags(x, ML_DEL_MESSAGE) when argument is TRUE.
diff --git a/src/terminal.c b/src/terminal.c
index 59bf039..86a1a0f 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -1609,7 +1609,7 @@
     {
 	// Delete the empty line that was in the empty buffer.
 	curbuf = buf;
-	ml_delete(1, FALSE);
+	ml_delete(1);
 	curbuf = curwin->w_buffer;
     }
 }
@@ -1683,7 +1683,7 @@
     while (curbuf->b_ml.ml_line_count > term->tl_scrollback_scrolled
 							    && gap->ga_len > 0)
     {
-	ml_delete(curbuf->b_ml.ml_line_count, FALSE);
+	ml_delete(curbuf->b_ml.ml_line_count);
 	line = (sb_line_T *)gap->ga_data + gap->ga_len - 1;
 	vim_free(line->sb_cells);
 	--gap->ga_len;
@@ -3142,7 +3142,7 @@
 	{
 	    vim_free(((sb_line_T *)gap->ga_data + i)->sb_cells);
 	    if (update_buffer)
-		ml_delete(1, FALSE);
+		ml_delete(1);
 	}
 	curbuf = curwin->w_buffer;
 
@@ -5148,7 +5148,7 @@
 	{
 	    buf = curbuf;
 	    while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
-		ml_delete((linenr_T)1, FALSE);
+		ml_delete((linenr_T)1);
 	    free_scrollback(curbuf->b_term);
 	    redraw_later(NOT_VALID);
 	}
@@ -5183,7 +5183,7 @@
 	}
 
 	// Delete the empty line that was in the empty buffer.
-	ml_delete(1, FALSE);
+	ml_delete(1);
 
 	// For term_dumpload() we are done here.
 	if (!do_diff)
@@ -5374,7 +5374,7 @@
 	if (p == NULL)
 	    return OK;
 	ml_append(bot_start, p, 0, FALSE);
-	ml_delete(1, FALSE);
+	ml_delete(1);
 	vim_free(p);
     }
 
@@ -5384,7 +5384,7 @@
 	p = vim_strsave(ml_get(bot_start + lnum));
 	if (p == NULL)
 	    return OK;
-	ml_delete(bot_start + lnum, FALSE);
+	ml_delete(bot_start + lnum);
 	ml_append(lnum - 1, p, 0, FALSE);
 	vim_free(p);
     }
@@ -5394,14 +5394,14 @@
     if (p == NULL)
 	return OK;
     ml_append(line_count - top_rows - 1, p, 0, FALSE);
-    ml_delete(bot_rows + 1, FALSE);
+    ml_delete(bot_rows + 1);
     vim_free(p);
 
     // move bottom title to top
     p = vim_strsave(ml_get(line_count - top_rows));
     if (p == NULL)
 	return OK;
-    ml_delete(line_count - top_rows, FALSE);
+    ml_delete(line_count - top_rows);
     ml_append(bot_rows, p, 0, FALSE);
     vim_free(p);