DM-19277: update HSC defects

[PaulPrice]

Furusawa-san recommends these changes to the defects list, since
the previous "were not optimal, particularly mis-alignment
of defined masks for ccd=78 sometimes contributed to
visible artifacts on coadds".

Implemented with:

sed -e "s/12    540      0      2    393/12    540      0      3    393/" -e "s/23    530   3961      8      8/23    530   3961     10     10/" -e "s/78    163   1892      1   2283/78    164   1892      1   2283/" -e "s/78    166   1898      1      3/78    167   1898      2      4/" -i hsc/defects/*/defects.dat