Disable CTest submissions to CDash

Tests result submission to cdash.org is still configured in
CTestConfig.cmake file, but at the moment we don't use it. In future, we
may want to re-enable it to let users help us testing, but then we will
have to review and test the submission actually works.

[ci skip]

src/CMakeLists.txt

@@ -82,10 +82,11 @@ set(DATADIR "share" CACHE PATH "The directory to install data files into.")
 set(INCLUDEDIR "include" CACHE PATH "The directory to install includes into.")
 
 #################################################################################
-# Enable CTest support
+# Enable tests
 #################################################################################
-include(CTest)
 enable_testing()
+# Configure for testing with dashboard submissions to CDash
+#include(CTest) # disabled as unused
 
 # Define "make check" as alias for "make test"
 add_custom_target(check COMMAND ctest)