Cleanup: remove foreach macro from .clang-format

The usage of that macro was removed in 60bec183cbfa7ef9c713077347c518d697b65811,
but it was still in our .clang-format file. This lead to worse formatting when other code
used methods named `foreach`.

Pull Request: https://projects.blender.org/blender/blender/pulls/137468

.clang-format

@@ -258,7 +258,6 @@ ForEachMacros:
   - SEQ_ALL_BEGIN
   - SEQ_ITERATOR_FOREACH
   - SURFACE_QUAD_ITER_BEGIN
-  - foreach
   - ED_screen_areas_iter
   - SLOT_PROBING_BEGIN
   - SET_SLOT_PROBING_BEGIN

intern/cycles/scene/volume.cpp

@@ -606,7 +606,7 @@ static void merge_scalar_grids_for_velocity(const Scene *scene, Volume *volume)
   vecgrid->tree().topologyUnion(vel_z_grid->tree());
 
   MergeScalarGrids op(&vel_x_grid->tree(), &vel_y_grid->tree(), &vel_z_grid->tree());
-  openvdb::tools::foreach (vecgrid->beginValueOn(), op, true, false);
+  openvdb::tools::foreach(vecgrid->beginValueOn(), op, true, false);
 
   /* Assume all grids have the same transformation. */
   const openvdb::math::Transform::Ptr transform = openvdb::ConstPtrCast<openvdb::math::Transform>(

source/blender/geometry/intern/mesh_to_volume.cc

@@ -140,7 +140,7 @@ static openvdb::FloatGrid::Ptr mesh_to_density_grid_impl(
   openvdb::tools::sdfToFogVolume(*new_grid);
 
   if (density != 1.0f) {
-    openvdb::tools::foreach (new_grid->beginValueOn(),
+    openvdb::tools::foreach(new_grid->beginValueOn(),
                             [&](const openvdb::FloatGrid::ValueOnIter &iter) {
                               iter.modifyValue([&](float &value) { value *= density; });
                             });

source/blender/geometry/intern/points_to_volume.cc

@@ -101,7 +101,7 @@ bke::VolumeGridData *fog_volume_grid_add_from_points(Volume *volume,
   openvdb::tools::sdfToFogVolume(*new_grid);
 
   /* Take the desired density into account. */
-  openvdb::tools::foreach (new_grid->beginValueOn(),
+  openvdb::tools::foreach(new_grid->beginValueOn(),
                           [&](const openvdb::FloatGrid::ValueOnIter &iter) {
                             iter.modifyValue([&](float &value) { value *= density; });
                           });

source/blender/modifiers/intern/MOD_volume_displace.cc

@@ -224,7 +224,7 @@ struct DisplaceGridOp {
 
     /* Run the operator. This is multi-threaded. It is important that the operator is not shared
      * between the threads, because it contains a non-thread-safe accessor for the old grid. */
-    openvdb::tools::foreach (temp_grid->beginValueOn(),
+    openvdb::tools::foreach(temp_grid->beginValueOn(),
                             displace_op,
                             true,
                             /* Disable sharing of the operator. */