Correct the Qllexer path for slides

Author: felicitymay

docs/codeql/ql-training/conf.py

@@ -47,7 +47,7 @@
 import os
 
 def setup(sphinx):
-    sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), os.path.pardir, 'global-sphinx-files')))
+    sys.path.insert(0, os.path.abspath('docs/codeql'))
     from qllexer import QLLexer
     sphinx.add_lexer("ql", QLLexer())
 
@@ -86,11 +86,11 @@ def setup(sphinx):
 # built documents.
 #
 # The short X.Y version.
-version = u'1.24'
+# version = u'1.24'
 # The full version, including alpha/beta/rc tags.
-release = u'1.24'
-copyright = u'2019 Semmle Ltd'
-author = u'Semmle Ltd'
+# release = u'1.24'
+# copyright = u'2019 Semmle Ltd'
+# author = u'Semmle Ltd'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.