keep repo as editor-agnostic as possible (#6962)

.devcontainer/devcontainer.json

@@ -1,13 +0,0 @@
-{
-	"name": "Mozilla Foundation CMS",
-	"dockerFile": "../dockerfiles/Dockerfile.python",
-	"context": "..",
-	"extensions": [
-		"ms-python.python"
-	],
-	"settings": {
-		"terminal.integrated.shell.linux": "bash",
-		"python.pipenvPath": "/usr/local/bin/pipenv",
-		"python.linting.flake8Path": "flake8"
-	}
-}

.prettierrc

@@ -1,7 +1 @@
-{
-    "printWidth": 80,
-    "singleQuote": false,
-    "trailingComma": "es5",
-    "useTabs": false,
-    "embeddedLanguageFormatting": "off"
-}
+{}

.vscode/extensions.json

@@ -1,7 +0,0 @@
-{
-  "recommendations": [
-    "esbenp.prettier-vscode",
-    "tombonnike.vscode-status-bar-format-toggle",
-    "ms-python.python"
-  ]
-}

.vscode/settings.json

@@ -1,8 +0,0 @@
-{
-  "editor.formatOnPaste": true,
-  "editor.formatOnSave": true,
-  "emmet.includeLanguages": {
-    "javascript": "javascriptreact"
-  },
-  "files.insertFinalNewline": true
-}