Deprecate PHP Haml package (#8991)

This commit disables PHP Haml package for ST4.

ST3 ships its own sublime-syntax based HAML syntax and it was even rewritten
for ST4 with good chances to be a way better choice than a tmLanguage syntax,
which hasn't seen any update for 10 years.

Theoretically, we could even restrict it to <3092.

repository/p.json

@@ -1151,7 +1151,7 @@
  "details": "https://github.com/xt99/sublimetext-php-haml",
  "releases": [
  {
- "sublime_text": "*",
+ "sublime_text": "<4000",
  "branch": "master"
  }
  ]