Remove pre-ADT ci test scripts (not used anymore).

misc/CTest_nightly/CTestConfig.cmake

misc/CTest_nightly/CTestCustom.cmake

misc/CTest_nightly/README.txt

misc/CTest_nightly/Windows-task-scheduler-tutorial.odp

misc/CTest_nightly/Windows-task-scheduler-tutorial.pdf

misc/CTest_nightly/faustTest.cmake

misc/CTest_nightly/faustTestContinuous.cmake

misc/CTest_nightly/run_nightly_OS-X.sh

misc/CTest_nightly/run_nightly_OS-X_Openblas.sh

misc/CTest_nightly/run_nightly_OS-X_Xcode.sh

misc/CTest_nightly/run_nightly_chaudiere.sh

misc/CTest_nightly/run_nightly_cormier.sh

misc/CTest_nightly/run_nightly_plombier.sh

misc/CTest_nightly/run_nightly_ubuntu_AMD64.sh

...CTest_nightly/run_nightly_ubuntu_AMD64_withoutOpenBlas.sh

misc/CTest_nightly/run_nightly_windows.bat

misc/CTest_nightly/run_nightly_windowsVisual.bat

misc/CTest_nightly/run_nightly_windows_MinGW_OpenBlas.bat