Remove bower.json and bower references

For ticket #CPORM-1
The origami bower registry is being removed in the near future, so this should be an npm-only components.
Removing bower.json and references to bower.

Note that there were several changes to package-lock.json pulled through from previous changes too, plus some non-released, non-functional changes (like changing from "master" to "main"), which have been picked up in the auto-generate release notes.

What's Changed

• Version-agnostic CircleCI container config references by @andygout in #61
• CPP-298 Wait for approval on CircleCI builds from nori and renovate PRs by @emortong in #62
• CPP-442 Upgrade GitHub repos from master to main by @emortong in #63
• CPP-442 remove master reference and fixed circleci svg by @emortong in #64
• Add package-lock.json lockfile by @ivomurrell in #68
• Update to npm 7 by @ivomurrell in #76
• CPP-576 Use renovate-config-next-beta in Platforms Owned repos by @emortong in #81
• Don't force dependents to use npm 7 by @ivomurrell in #82
• Fix issues with engines enforcement by @ivomurrell in #83
• CPP-642 migrate from circleci/* to cimg/* by @serena97 in #87
• Add npm-publish-token CircleCI context by @serena97 in #94
• Upgrade to Node 14/16 by @ivomurrell in #89
• Remove bower.json and references to bower by @debugwand in #100

New Contributors

• @emortong made their first contribution in #62
• @ivomurrell made their first contribution in #68
• @serena97 made their first contribution in #87

Full Changelog: v3.0.1...v4.0.0