Rémi Verschelde acd14e645a 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
```

(cherry picked from commit 9d24541597)

2020-03-25 11:38:54 +01:00

..

doc_data.cpp

DocData: Fix serialization of Variant default values

2020-03-09 11:36:57 +01:00

doc_data.h

Update copyright statements to 2020

2020-01-01 11:16:22 +01:00

SCsub

SCons: Build thirdparty code in own env, disable warnings

2018-09-28 14:07:39 +02:00