Remove @microsoft/fast-foundation and @microsoft/fast-web-utilities (#…

…6996)

# Pull Request

## 📖 Description

This change removes:
- `@microsoft/fast-foundation` - the most recent version can be found on branch `archives/fast-foundation-3`
- `@microsoft/fast-web-utilities`

### 🎫 Issues

Closes #6951 and closes #6954

## ✅ Checklist

### General

<!--- Review the list and put an x in the boxes that apply. -->

- [ ] I have included a change request file using `$ yarn change`
- [ ] I have added tests for my changes.
- [x] I have tested my changes.
- [ ] I have updated the project documentation to reflect my changes.
- [x] I have read the [CONTRIBUTING](https://github.com/microsoft/fast/blob/master/CONTRIBUTING.md) documentation and followed the [standards](https://github.com/microsoft/fast/blob/master/CODE_OF_CONDUCT.md#our-standards) for this project.

## ⏭ Next Steps

- File an issue to remove dependency on `@microsoft/fast-foundation` in `@microsoft/fast-ssr` for testing.

.github/CODEOWNERS

@@ -28,12 +28,8 @@ build/ @janechu @nicholasrice @chrisdholt @awentzel
 
 # Package specific owners
 
-# Utilities
-/packages/utilities/fast-web-utilities/ @janechu @chrisdholt @nicholasrice
-
 # Web components
 /packages/web-components/fast-element/ @chrisdholt @janechu @nicholasrice
-/packages/web-components/fast-foundation/ @chrisdholt @bheston @scomea @radium-v @kingoftac
 
 # the change directory has no owners
 /change/

CONTRIBUTING.md

@@ -96,8 +96,8 @@ When working across feature branches, you'll need to target the branch using the
 ```json
 {
   "type": "minor",
-  "comment": "add fancy new feature for foundation",
-  "packageName": "@microsoft/fast-foundation",
+  "comment": "add fancy new feature to FASTElement",
+  "packageName": "@microsoft/fast-element",
   "email": "[email protected]",
   "dependentChangeType": "minor",
   "date": "2021-03-01T19:10:06.323Z"
@@ -122,7 +122,7 @@ If you are merging a pull request, be sure to use the pull request title as the
 
 ### Documenting breaking changes
 
-Make sure to document the migration strategy in a `MIGRATION.md` file in the package(s) that has breaking changes, eg. `packages/web-components/fast-foundation/MIGRATION.md`.
+Make sure to document the migration strategy in a `MIGRATION.md` file in the package(s) that has breaking changes, eg. `packages/web-components/fast-element/MIGRATION.md`.
 
 Example of how to format `MIGRATION.md`:
 

package.json

@@ -10,7 +10,6 @@
   "private": true,
   "workspaces": {
     "packages": [
-      "packages/utilities/*",
       "packages/web-components/*",
       "sites/*",
       "examples/todo-app",