Remove unused set_var template tag

mayan/apps/common/templatetags/set_var.py

@@ -1,33 +0,0 @@
-from __future__ import unicode_literals
-
-from django import template
-
-register = template.Library()
-
-
-class SetVarNode(template.Node):
-    def __init__(self, var_name, var_value):
-        self.var_name = var_name
-        self.var_value = var_value
-
-    def render(self, context):
-        try:
-            value = template.Variable(self.var_value).resolve(context)
-        except template.VariableDoesNotExist:
-            value = ""
-        # Make it global across all blocks
-        context.dicts[0][self.var_name] = value
-
-        return ''
-
-
-def set_var(parser, token):
-    """
-    {% set <var_name>  = <var_value> %}
-    """
-    parts = token.split_contents()
-    if len(parts) < 4:
-        raise template.TemplateSyntaxError("'set' tag must be of the form:  {% set <var_name>  = <var_value> %}")
-    return SetVarNode(parts[1], parts[3])
-
-register.tag('set', set_var)