dont test magma under windows

.jenkins/jenkins_buildbot_windows.bat

@@ -52,5 +52,5 @@ echo "Directory of stdout/stderr %BUILDBOT_DIR%"
 REM Fast run and float32
 set FILE=%BUILDBOT_DIR%\theano_python2_fastrun_f32_tests.xml
 set NAME=fastrun_f32
-set THEANO_FLAGS=%THEANO_FLAGS%,compiledir=%COMPILEDIR%,mode=FAST_RUN,warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise,magma.enabled=true,floatX=float32,dnn.include_path=C:\\lib\\cuda\\include,dnn.library_path=C:\\lib\\cuda\\lib\\x64,gcc.cxxflags='-I"C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v8.0\\include" -I"C:\\lib\\libgpuarray\\src" -L"C:\\Program Files\\NVIDIA GPU Computing Toolkit\CUDA\\v8.0\\lib\\x64" -LC:\\lib\\libgpuarray\\lib'
+set THEANO_FLAGS=%THEANO_FLAGS%,compiledir=%COMPILEDIR%,mode=FAST_RUN,warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise,floatX=float32,dnn.include_path=C:\\lib\\cuda\\include,dnn.library_path=C:\\lib\\cuda\\lib\\x64,gcc.cxxflags='-I"C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v8.0\\include" -I"C:\\lib\\libgpuarray\\src" -L"C:\\Program Files\\NVIDIA GPU Computing Toolkit\CUDA\\v8.0\\lib\\x64" -LC:\\lib\\libgpuarray\\lib'
 python bin\theano-nose %THEANO_PARAM% %XUNIT%%FILE% %SUITE%%NAME%