Remove separate cpp docs for UnknownExplanation (#7516)
-rw-r--r-- 876 .clang-format
drwxr-xr-x - .github
-rw-r--r-- 152 .gitignore
-rw-r--r-- 1517 .mailmap
-rw-r--r-- 144 .style.yapf
-rw-r--r-- 2063 AUTHORS
-rw-r--r-- 24211 CMakeLists.txt
-rw-r--r-- 2483 CONTRIBUTING.md
-rw-r--r-- 5347 COPYING
-rw-r--r-- 16033 INSTALL.rst
-rw-r--r-- 3076 NEWS
-rw-r--r-- 3257 README.md
-rw-r--r-- 2085 THANKS
drwxr-xr-x - cmake
-rwxr-xr-x 12684 configure.sh
drwxr-xr-x - contrib
drwxr-xr-x - docs
drwxr-xr-x - examples
drwxr-xr-x - licenses
drwxr-xr-x - proofs
drwxr-xr-x - src
drwxr-xr-x - test