feat: bind select_line to alt+shift+e in flow mode

Like in visual studio, because the more common ctrl+l is already taken.

Also, remove some keybinds for commands that don't exist.

src/keybind/builtin/flow.json

@@ -168,8 +168,6 @@
             ["alt+}", "shrink_selection", true],
             ["alt+[", "select_prev_sibling", true],
             ["alt+]", "select_next_sibling", true],
-            ["alt+shift+e", "move_parent_node_end"],
-            ["alt+shift+b", "move_parent_node_start"],
             ["alt+a", "select_all_siblings"],
             ["alt+shift+home", "move_scroll_left"],
             ["alt+shift+end", "move_scroll_right"],
@@ -202,6 +200,7 @@
             ["shift+enter", "smart_insert_line_before"],
             ["shift+backspace", "delete_backward"],
             ["ctrl+shift+k", "delete_line"],
+            ["alt+shift+e", "select_line"],
             ["shift+tab", "unindent"],
             ["f2", "rename_symbol"],
             ["f3", "goto_next_match"],