remove Build from .gitignore (#1701)

Author: asalmgren

.gitignore

@@ -10,18 +10,6 @@
 datlog
 log.*
 
-# Ignore everything in Build except the cmake script
-/Build/*
-!/Build/cmake.sh
-!/Build/cmake_cuda.sh
-!/Build/cmake_hip_crusher.sh
-!/Build/cmake_hip.sh
-!/Build/cmake_sycl.sh
-!/Build/cmake_with_moisture.sh
-!/Build/cmake_with_netcdf.sh
-!/Build/cmake_with_poisson.sh
-!/Build/cmake_with_warm_no_precip.sh
-
 # Temporary files
 */Testing/Temporary
 .*.swp