[OpenSIPS-Devel] [OpenSIPS/opensips] 450906: Remove some deprecated script grammar rules

[Liviu Chircu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 4509061946906a76756878cacdfcd833853238f9
      https://github.com/OpenSIPS/opensips/commit/4509061946906a76756878cacdfcd833853238f9
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2017-07-27 (Thu, 27 Jul 2017)

  Changed paths:
    M cfg.lex
    M cfg.y

  Log Message:
  -----------
  Remove some deprecated script grammar rules

The following types of statements no longer have any meaning/purpose
after the removal of core keywords - the script should not allow
them anymore.

$var(foo) = bar123;
if ($var(foo) == BAR123) ...