Remove debug prints from batch scripts

misc/appveyorTestRunScript.bat

@@ -1,11 +1,9 @@
 cd Build
 if "%CONFIGURATION%"=="Debug" (
-  echo "appveyorTestScript.bat thinks this is a Debug build"
   ctest -j 2 -C %CONFIGURATION% -D ExperimentalMemCheck
   python ..\misc\appveyorMergeCoverageScript.py
   codecov --root .. --no-color --disable gcov -f cobertura.xml -t %CODECOV_TOKEN%
 )
 if "%CONFIGURATION%"=="Release" (
-  echo "appveyorTestScript.bat thinks this is a Release build"
   ctest -j 2 -C %CONFIGURATION%
 )