remove not operator

* We've switched from Q() to Host.objects.filter() and you can't do
~(Host.objects.filter()). We'd need to create an AST to track the
operations in order to perform the boolean logic ~ and we don't have
time for that now.

awx/main/tests/unit/utils/test_filters.py

@@ -62,8 +62,8 @@ class TestSmartFilterQueryFromString():
         ('(a=b and c=d)', Q(**{u"a": u"b"}) & Q(**{u"c": u"d"})),
         ('a=b or c=d', Q(**{u"a": u"b"}) | Q(**{u"c": u"d"})),
         ('(a=b and c=d) or (e=f)', (Q(**{u"a": u"b"}) & Q(**{u"c": u"d"})) | (Q(**{u"e": u"f"}))),
-        ('(a=b and not c=d) or not (e=f)', (Q(**{u"a": u"b"}) & ~Q(**{u"c": u"d"})) | (~Q(**{u"e": u"f"}))),
-        ('(a=b) and not (c=d or (e=f and (g=h or i=j))) or (y=z)', Q(**{u"a": u"b"}) & ~(Q(**{u"c": u"d"}) | (Q(**{u"e": u"f"}) & (Q(**{u"g": u"h"}) | Q(**{u"i": u"j"})))) | Q(**{u"y": u"z"})),
+        #('(a=b and not c=d) or not (e=f)', (Q(**{u"a": u"b"}) & ~Q(**{u"c": u"d"})) | (~Q(**{u"e": u"f"}))),
+        #('(a=b) and not (c=d or (e=f and (g=h or i=j))) or (y=z)', Q(**{u"a": u"b"}) & ~(Q(**{u"c": u"d"}) | (Q(**{u"e": u"f"}) & (Q(**{u"g": u"h"}) | Q(**{u"i": u"j"})))) | Q(**{u"y": u"z"})),
         ('a=b or a=d or a=e or a=z and b=h and b=i and b=j and b=k', Q(**{u"a": u"b"}) | Q(**{u"a": u"d"}) | Q(**{u"a": u"e"}) | Q(**{u"a": u"z"}) & Q(**{u"b": u"h"}) & Q(**{u"b": u"i"}) & Q(**{u"b": u"j"}) & Q(**{u"b": u"k"}))
     ])
     def test_boolean_parenthesis(self, mock_get_host_model, filter_string, q_expected):

awx/main/utils/filters.py

@@ -199,7 +199,7 @@ class SmartFilter(object):
         grammar.setParseAction(cls.BoolOperand)
 
         boolExpr = infixNotation(grammar, [
-            ("not", 1, opAssoc.RIGHT, cls.BoolNot),
+            #("not", 1, opAssoc.RIGHT, cls.BoolNot),
             ("and", 2, opAssoc.LEFT, cls.BoolAnd),
             ("or",  2, opAssoc.LEFT, cls.BoolOr),
         ])