Update docs/codeql/codeql-language-guides/customizing-library-models-for-rust.rst

Co-authored-by: Geoffrey White <40627776+geoffw0@users.noreply.github.com>

Author: coadaflorin

docs/codeql/codeql-language-guides/customizing-library-models-for-rust.rst

@@ -562,7 +562,7 @@ Commonly used source kinds for Rust include:
 Sink kinds
 ~~~~~~~~~~
 
-Unlike sources, sinks tend to be highly query-specific, rarely affecting more than one or two queries. Not every query supports customizable sinks. If the following sinks are not suitable for your use case, you should add a new query.
+Unlike sources, sinks tend to be highly query-specific, rarely affecting more than one or two queries. Not every query supports customizable sinks.
 
 Commonly used sink kinds for Rust include: