scripts: Remove leftover references to the ci_* scripts from README.txt
diff --git a/scripts/README.txt b/scripts/README.txt
index 49f00db..f7bceec 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -75,9 +75,5 @@
  macro.lst         =>  Used by autoconf tools
  prefix.dfn        =>  Used by autoconf tools
 
- ci_autotools.sh   =>  Continuous integration utility for the Autotools build
- ci_cmake.sh       =>  Continuous integration utility for the CMake build
- ci_legacy.sh      =>  Continuous integration utility for the legacy makefiles
-
 Further information can be found in comments in the individual scripts and
 makefiles.