message: Remove _foo variables from expl3_cmds
diff: "package": "expl3",
  "snippet": "c_false_bool"
  },
  - "c_foo_regex": {
  - "command": "c_foo_regex",
  - "package": "expl3",
  - "snippet": "c_foo_regex"
  - },
  "c_group_begin_token": {
  "command": "c_group_begin_token",
  "package": "expl3",
  "package": "expl3",
  "snippet": "l_file_search_path_seq"
  },
  - "l_foo_clist": {
  - "command": "l_foo_clist",
  - "package": "expl3",
  - "snippet": "l_foo_clist"
  - },
  - "l_foo_int": {
  - "command": "l_foo_int",
  - "package": "expl3",
  - "snippet": "l_foo_int"
  - },
  - "l_foo_seq": {
  - "command": "l_foo_seq",
  - "package": "expl3",
  - "snippet": "l_foo_seq"
  - },
  - "l_foo_str": {
  - "command": "l_foo_str",
  - "package": "expl3",
  - "snippet": "l_foo_str"
  - },
  "l_iow_line_count_int": {
  "command": "l_iow_line_count_int",
  "package": "expl3",
  