Remove stale help page (#1428)

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,7 @@
+2025-12-19  Dirk Eddelbuettel  <edd@debian.org>
+
+	* man/RcppUnitTests.Rd: Removed outdated help page
+
 2025-12-17  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): Roll micro version and date