give all cmake-ignore rules a review.
they may be
- no longer in cmake at all and can be dropped
- packaged in 18.04 so we can easily pick them up
- remain in place (in which case they should have a comment as to why they are not wanted)
(with dupes because workspaces are a mess)
```
root@do-neon-jenkins:/var/lib/jenkins/workspace# tail -n +1 -- *unstable*/packaging/debian/cmake-ignore
==> bionic_unstable_extras_kexi_src/packaging/debian/cmake-ignore <==
BUILD_TESTING
BUILD_COVERAGE
BUILD_EXAMPLES
KEXI_DEBUG_GUI
KEXI_SHOW_UNFINISHED
KEXI_SHOW_UNIMPLEMENTED
KEXI_AUTORISE_TABBED_TOOLBAR
KEXI_SCRIPTS_SUPPORT
KEXI_FORM_CURSOR_PROPERTY_SUPPORT
KEXI_SHOW_CONTEXT_HELP
KEXI_QUICK_PRINTING_SUPPORT
KEXI_AUTOFIELD_FORM_WIDGET_SUPPORT
KEXI_LIST_FORM_WIDGET_SUPPORT
KEXI_PIXMAP_COLLECTIONS_SUPPORT
KEXI_MACROS_SUPPORT
KEXI_TABLE_PRINT_SUPPORT
KEXI_PROJECT_TEMPLATES
KEXI_MIGRATEMANAGER_DEBUG
==> bionic_unstable_kde_drkonqi_src/packaging/debian/cmake-ignore <==
DrKonqiIntegrationTesting
==> bionic_unstable_neon-packaging_choqok_src/packaging/debian/cmake-ignore <==
TelepathyQt5
==> bionic_unstable_plasma_drkonqi_src/packaging/debian/cmake-ignore <==
DrKonqiIntegrationTesting
==> xenial_unstable_calligra_kexi_src/packaging/debian/cmake-ignore <==
BUILD_TESTING
BUILD_COVERAGE
BUILD_EXAMPLES
KEXI_DEBUG_GUI
KEXI_SHOW_UNFINISHED
KEXI_SHOW_UNIMPLEMENTED
KEXI_AUTORISE_TABBED_TOOLBAR
KEXI_SCRIPTS_SUPPORT
KEXI_FORM_CURSOR_PROPERTY_SUPPORT
KEXI_SHOW_CONTEXT_HELP
KEXI_QUICK_PRINTING_SUPPORT
KEXI_AUTOFIELD_FORM_WIDGET_SUPPORT
KEXI_LIST_FORM_WIDGET_SUPPORT
KEXI_PIXMAP_COLLECTIONS_SUPPORT
KEXI_MACROS_SUPPORT
KEXI_TABLE_PRINT_SUPPORT
KEXI_PROJECT_TEMPLATES
KEXI_MIGRATEMANAGER_DEBUG
==> xenial_unstable_extras_kexi_src/packaging/debian/cmake-ignore <==
BUILD_TESTING
BUILD_COVERAGE
BUILD_EXAMPLES
KEXI_DEBUG_GUI
KEXI_SHOW_UNFINISHED
KEXI_SHOW_UNIMPLEMENTED
KEXI_AUTORISE_TABBED_TOOLBAR
KEXI_SCRIPTS_SUPPORT
KEXI_FORM_CURSOR_PROPERTY_SUPPORT
KEXI_SHOW_CONTEXT_HELP
KEXI_QUICK_PRINTING_SUPPORT
KEXI_AUTOFIELD_FORM_WIDGET_SUPPORT
KEXI_LIST_FORM_WIDGET_SUPPORT
KEXI_PIXMAP_COLLECTIONS_SUPPORT
KEXI_MACROS_SUPPORT
KEXI_TABLE_PRINT_SUPPORT
KEXI_PROJECT_TEMPLATES
KEXI_MIGRATEMANAGER_DEBUG
==> xenial_unstable_kde_drkonqi_src/packaging/debian/cmake-ignore <==
DrKonqiIntegrationTesting
==> xenial_unstable_kde-extras_kexi_src/packaging/debian/cmake-ignore <==
BUILD_TESTING
BUILD_COVERAGE
BUILD_EXAMPLES
KEXI_DEBUG_GUI
KEXI_SHOW_UNFINISHED
KEXI_SHOW_UNIMPLEMENTED
KEXI_AUTORISE_TABBED_TOOLBAR
KEXI_SCRIPTS_SUPPORT
KEXI_FORM_CURSOR_PROPERTY_SUPPORT
KEXI_SHOW_CONTEXT_HELP
KEXI_QUICK_PRINTING_SUPPORT
KEXI_AUTOFIELD_FORM_WIDGET_SUPPORT
KEXI_LIST_FORM_WIDGET_SUPPORT
KEXI_PIXMAP_COLLECTIONS_SUPPORT
KEXI_MACROS_SUPPORT
KEXI_TABLE_PRINT_SUPPORT
KEXI_PROJECT_TEMPLATES
KEXI_MIGRATEMANAGER_DEBUG
==> xenial_unstable_neon-packaging_choqok_src/packaging/debian/cmake-ignore <==
TelepathyQt5
==> xenial_unstable_plasma_drkonqi_src/packaging/debian/cmake-ignore <==
DrKonqiIntegrationTesting
```