Update some out of date information

cpp/ql/src/Options.qll

@@ -4,7 +4,7 @@
  *
  * By default they fall back to the reasonable defaults provided in
  * `DefaultOptions.qll`, but by modifying this file, you can customize
- * the standard Semmle analyses to give better results for your project.
+ * the standard analyses to give better results for your project.
  */
 
 import cpp

cpp/ql/src/semmle/code/cpp/Compilation.qll

@@ -21,9 +21,9 @@ private predicate idOf(@compilation x, int y) = equivalenceRelation(id/2)(x, y)
  * Three things happen to each file during a compilation:
  *
  *   1. The file is compiled by a real compiler, such as gcc or VC.
- *   2. The file is parsed by Semmle's C++ front-end.
+ *   2. The file is parsed by the CodeQL C++ front-end.
  *   3. The parsed representation is converted to database tables by
- *      Semmle's extractor.
+ *      the CodeQL extractor.
  *
  * This class provides CPU and elapsed time information for steps 2 and 3,
  * but not for step 1.

cpp/ql/src/semmle/code/cpp/dataflow/RecursionPrevention.qll

@@ -1,6 +1,6 @@
 /**
  * DEPRECATED: Recursion through `DataFlow::Configuration` is impossible in
- * Semmle Core 1.17 and above. There is no need for this module because it's
+ * any supported tooling. There is no need for this module because it's
  * impossible to accidentally depend on recursion through
  * `DataFlow::Configuration` in current releases.
  *