As seen while analysing
sw/source/core/inc/DocumentChartDataProviderManager.hxx
replacing o3tl/deleter.hxx with fw declaration does not work,
it compiles only when it is transitively included.

This also removes mistakenly added fw declarations and
now unnecessary IwyuFilter blacklist items

Change-Id: I2d631f0693dbfd0bb0e62218a525113042c9a907
Reviewed-on: https://gerrit.libreoffice.org/66750
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>