style: remove unnecessary shebangs #!... (#2574)

These files don't need shebangs as running them won't do something
useful.

rdflib/extras/describer.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 __doc__ = """
 A Describer is a stateful utility for creating RDF statements in a
 semi-declarative manner. It has methods for creating literal values, rel and

rdflib/extras/external_graph_libs.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-# encoding: utf-8
 from __future__ import annotations
 
 import logging

rdflib/plugins/parsers/notation3.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """
 notation3.py - Standalone Notation3 Parser
 Derived from CWM, the Closed World Machine

rdflib/plugins/parsers/ntriples.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 from __future__ import annotations
 
 __doc__ = """\

run_tests.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """
 Testing with pytest
 =================

test/test_issues/test_issue200.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 import os
 
 import pytest

test/test_parsers/test_trix_parse.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 import os
 from test.data import TEST_DATA_DIR
 

test/test_serializers/test_serializer_trix.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 from io import BytesIO
 
 from rdflib.graph import ConjunctiveGraph, Graph

test/test_sparql/test_forward_slash_escapes.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-
 # This software was developed at the National Institute of Standards
 # and Technology by employees of the Federal Government in the course
 # of their official duties. Pursuant to title 17 Section 105 of the

test/test_typing.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-
 # This software was developed at the National Institute of Standards
 # and Technology by employees of the Federal Government in the course
 # of their official duties. Pursuant to title 17 Section 105 of the