Removing unused devcontainers

Not used by Cobalt, and has unsecure pip install code.

b/294256358

Change-Id: Id5bf07d51556cb0e48a7c84075afd3b14ef5fd49
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
deleted file mode 100644
index e600596..0000000
--- a/.devcontainer/devcontainer.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "name": "Codespell Development Environment",
-    "image": "mcr.microsoft.com/devcontainers/python:1-3",
-    "customizations": {
-        "vscode": {
-            "extensions": [
-                "github.vscode-github-actions",
-                "ms-python.python",
-                "ms-python.vscode-pylance"
-            ]
-        }
-    },
-    "postCreateCommand": "bash .devcontainer/post_create.sh"
-}
diff --git a/.devcontainer/post_create.sh b/.devcontainer/post_create.sh
deleted file mode 100644
index 14607e1..0000000
--- a/.devcontainer/post_create.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-sudo apt-get update
-sudo apt-get install -y libaspell-dev
-
-pip install --upgrade \
-    aspell-python-py3 \
-    pip \
-    setuptools \
-    setuptools_scm \
-    wheel
-pip install -e '.[dev]'
-
-pre-commit install --install-hooks