message: docs: Clean up V6 migration guide
  Fixes:
  [category:Documentation]
diff: @@ -7242,12 +7242,7 @@ cssstyle@^2.0.0, cssstyle@^2.2.0:
  dependencies:
  cssom "~0.3.6"
  -csstype@^2.5.7:
  - version "2.6.16"
  - resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.16.tgz#544d69f547013b85a40d15bff75db38f34fe9c39"
  - integrity sha512-61FBWoDHp/gRtsoDkq/B1nWrCUG/ok1E3tUrcNbZjsE9Cxd9yzUirjS3+nAATB8U4cTtaQmAHbNndoFz5L6C9Q==
  -
  -csstype@^2.6.17:
  +csstype@^2.5.7, csstype@^2.6.17:
  version "2.6.17"
  resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.17.tgz#4cf30eb87e1d1a005d8b6510f95292413f6a1c0e"
  integrity sha512-u1wmTI1jJGzCJzWndZo8mk4wnPTZd1eOIYTYvuEyOQGfmDl3TrabCCfKnOC86FZwW/9djqTl933UF/cS425i9A==
  