[fix] remove omp for RemoveWeights* to avoid race condition in sparse format

Author: LiYunyang

maps/src/maputils.cxx

@@ -48,9 +48,6 @@ void RemoveWeights(G3SkyMap &T, G3SkyMap &Q, G3SkyMap &U, const G3SkyMapWeights
 			v /= W.at(pix);
 		}
 	} else {
-	    #ifdef _OPENMP
-        #pragma omp parallel for schedule(static)
-        #endif
 		for (size_t pix = 0; pix < W.size(); pix++) {
 			double t = T.at(pix);
 			MuellerMatrix m = W.at(pix);
@@ -94,9 +91,6 @@ void RemoveWeightsT(G3SkyMap &T, const G3SkyMapWeights &W, bool zero_nans)
 		T.ConvertToDense();
 		T /= *(W.TT);
 	} else {
-	    #ifdef _OPENMP
-        #pragma omp parallel for schedule(static)
-        #endif
 		for (size_t pix = 0; pix < W.size(); pix++) {
 			double t = T.at(pix);
 			MuellerMatrix m = W.at(pix);