Merge pull request #4409 from Nordix/remove-porch

Remove the remaining fragments of Porch from kpt

Author: efiacor

CONTRIBUTING.md

@@ -103,10 +103,6 @@ Refer to the pointers below to learn more:
    make all
    ```
 
-### Package Orchestrator
-
-Package orchestrator code has been moved to the Nephio project: https://github.com/nephio-project/porch
-
 ### Function Catalog
 
 Function catalog has its own repository. Refer to the

docs/ROADMAP.md

@@ -17,8 +17,8 @@ A few areas of work are ongoing. (This is not exhaustive.)
 
 ### Package orchestration
 
-See the [package orchestration documentation](https://docs.nephio.org/docs/porch/)
-for more details.
+Porch is the recommended approach for package orchestration. See the
+[package orchestration documentation](https://docs.nephio.org/docs/porch/) for more details.
 
 ### Explore various options for function runtime