Merge branch 'en/sparse-cone-becomes-default'

Deprecate non-cone mode of the sparse-checkout feature. * en/sparse-cone-becomes-default: Documentation: some sparsity wording clarifications git-sparse-checkout.txt: mark non-cone mode as deprecated git-sparse-checkout.txt: flesh out pattern set sections a bit git-sparse-checkout.txt: add a new EXAMPLES section git-sparse-checkout.txt: shuffle some sections and mark as internal git-sparse-checkout.txt: update docs for deprecation of 'init' git-sparse-checkout.txt: wording updates for the cone mode default sparse-checkout: make --cone the default tests: stop assuming --no-cone is the default mode for sparse-checkout