Remove currently empty sections from the document

Author: vulder

sources/course_examples.md

@@ -8,8 +8,6 @@ output: pdf_document
 
 __INCLUDE__(obtaining_document.md)
 
-__INCLUDE__(disclaimer.md)
-
 __INCLUDE__(introduction.md)
 
 # Summary of Modules and Topics
@@ -40,8 +38,6 @@ INJECT_TEACHING_MODULES_HERE
 
 [//]: # ( ********** END OF DETAILED TOPIC DOCUMENTS ********** )
 
-__INCLUDE__(course_examples.md)
-
 # License {#license}
 
 **[NOTE: This license is copied verbatim from the C++ Core Guidelines.]**