Skip dependencies in SOK installation (#1138)

* Skip dependencies in SOK installation

* change code to trigger horovod tests

examples/usecases/multi-gpu/install_sparse_operation_kit.sh

@@ -11,6 +11,6 @@ rm -rf hugectr/
 git clone https://github.com/NVIDIA-Merlin/HugeCTR.git hugectr
 
 cd hugectr/sparse_operation_kit/
-python setup.py install
+python setup.py develop --no-deps
 
 rm -rf ${HUGECTR_HOME}

merlin/models/tf/distributed/__init__.py

@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2023, NVIDIA CORPORATION.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#