chore: remove old per-project example · lirios/fluid@1391405

'virtual void FluidPlugin::initializeEngine(QQmlEngine*, const char*)' can be marked override [-Werror=suggest-override]

'virtual void FluidPlugin::registerTypes(const char*)' can be marked override [-Werror=suggest-override]

Process completed with exit code 2.

Found non-existing group 'fluid' for the command '@InGroup', ignoring command

Found non-existing group 'fluid' for the command '@InGroup', ignoring command

Found unknown command '\qmltype'

Found unknown command '\inqmlmodule'

Found unknown command '\qmlmethod'

Found unknown command '\qmlproperty'

Found unknown command '\qmltype'

Found unknown command '\instantiates'

Found unknown command '\inqmlmodule'

Found unknown command '\qmlmethod'

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