Remove jquery script
You should use jQuery Update module. Here is a quote about it (from the module's project page):

Upgrades the version of jQuery in Drupal core to a newer version of jQuery.
Updates:

Drupal 5 to jQuery 1.2.6
Drupal 6 to jQuery 1.3.2
Drupal 7 to jQuery 1.5.x, 1.7.x, 1.8.x, 1.9.x, 1.10.x and jQuery UI 1.10.2
Drupal 8: TBD