Zabbix

..F.....S. [ZBX-21898] reverted addition escaping of backslashes in history function string parameters

This reverts commit 3b369dd3e3e0b24c92873372ba42d93523ade3a1, reversing
changes made to 033e8b5070eebe84219b17b7986540636d49b8d2.

* commit 'd93cbe7bb972064ded30929c557144fc3fb16da9':
  ........S. [ZBX-21898] removed the remainders of the database patches
  ..F.....S. [ZBX-21898] reverted addition escaping of backslashes in history function string parameters