Revert "ancestry.lua: add support for 'genealogysite'"

This reverts commit c1cc0e338c9de2fbe46298666b3a13d4f9091f1a.
Revert "pipeline.py: add support for 'genealogysite'"

This reverts commit 4d51d382a73ff820b257b6aca6e6af95f2b6ef06.
Revert "pipeline.py: add support for 'myfamily'"

This reverts commit 09f930cf87c87a16b32699cae7f97538bce2fce8.
Revert "ancestry.lua: fix typo"

This reverts commit eeb188cc4e503fc536213945516fee5901ea73c5.
Revert "ancestry.lua: add support for 'myfamily'"

This reverts commit 3abac53c5fdaaa52bc2c290f3b888c0f7b51da95.
Revert "pipeline.py: add support for 'myfamily'"

This reverts commit 50e893d8f474d10c987da1bfea39815ae21375da.