Remove link to epics-container documentation

That documentation link came from an old pythin3-pip-skeleton, and is
not really relevant to this project.

Author: AlexanderWells-diamond

docs/developer/tutorials/dev-install.rst

@@ -38,10 +38,6 @@ requires python 3.8 or later) or to run in a container under `VSCode
             # Click on 'Reopen in Container' when prompted
             # Open a new terminal
 
-        .. note::
-
-            See the epics-containers_ documentation for more complex
-            use cases, such as integration with podman.
 
 See what was installed
 ----------------------
@@ -62,6 +58,3 @@ This will run in parallel the following checks:
 - `../how-to/build-docs`
 - `../how-to/run-tests`
 - `../how-to/static-analysis`
-
-
-.. _epics-containers: https://epics-containers.github.io/main/user/tutorials/devcontainer.html