Rémi Verschelde 9d24541597 Remove unused classes and stray headers
Found by reviewing headers with 1 or less matching includes:
```
find -name thirdparty -prune -o -name "*.h" -exec basename {} \; | sort -u > headers
for header in $(cat headers); do echo "$header: "; rg -l "#include \"(.*/)?$header\"" | wc -l; done > list-includes
```
2020-03-24 09:50:51 +01:00
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