Delete 'kim_developmental_ccf_mouse_10um_v1.1.tar.gz'

This atlas was too big as all references don't compress well, and here they are all bundled together.

kim_developmental_ccf_mouse_10um_v1.1.tar.gz

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-/annex/objects/MD5-s7664023610--1192b96bac35df89f9baec6e4903b606