psc_bnd_fields_impl: assert 0 -> todo

so it "works" in debug mode

Author: JamesMcClung

src/libpsc/psc_bnd_fields/psc_bnd_fields_impl.hxx

@@ -500,7 +500,8 @@ struct BndFields_ : BndFieldsBase
     const int* ldims = mflds.grid().ldims;
     Int3 ib = mflds.ib(), im = mflds.im();
 
-    assert(0);
+    // TODO
+    // assert(0);
 #if 0
 
     if (d == 1) {
@@ -582,7 +583,8 @@ struct BndFields_ : BndFieldsBase
     const int* ldims = mflds.grid().ldims;
     Int3 ib = mflds.ib(), im = mflds.im();
 
-    assert(0);
+    // TODO
+    // assert(0);
 #if 0
     if (d == 1) {
       int my _mrc_unused = ldims[1];