docs: Remove GitHub variable

Author: hubwriter

docs/language/learn-ql/csharp/introduce-libraries-csharp.rst

@@ -1,7 +1,7 @@
 CodeQL libraries for C#
 =======================
 
-When you're analyzing a C# program in {{ site.data.variables.product.prodname_dotcom }}, you can make use of the large collection of classes in the CodeQL libraries for C#.
+When you're analyzing a C# program, you can make use of the large collection of classes in the CodeQL libraries for C#.
 
 About the CodeQL libraries for C#
 ---------------------------------
@@ -1124,4 +1124,4 @@ Further reading
 
 -  Visit :doc:`Tutorial: Analyzing data flow in C# <dataflow>` to learn more about writing queries using the standard data flow and taint tracking libraries.
 -  Find out more about QL in the `QL language handbook <https://help.semmle.com/QL/ql-handbook/index.html>`__ and `QL language specification <https://help.semmle.com/QL/ql-spec/language.html>`__.
--  Learn more about the query console in `Using the query console <https://lgtm.com/help/lgtm/using-query-console>`__.
+-  Learn more about the query console in `Using the query console <https://lgtm.com/help/lgtm/using-query-console>`__.