* Remove _WIN32_WCE macro
Poco now use C++17 and Windows CE does not support it and VS2017 does
also not support it so we can just remove Windows CE code. First remove
all macro usages from our own files.
* Remove WinCE support from build files
Poco now use C++17 and Windows CE does not support it and VS2017 does
also not support it so we can just remove Windows CE code. Remove all
references from build systems / scripts.
* Remove Windows CE related source and header files
Poco now use C++17 and Windows CE does not support it and VS2017 does
also not support it so we can just remove Windows CE code. First remove
all macro usages from our own files.
* Remove wcelibcex folder
Poco now use C++17 and Windows CE does not support it and VS2017 does
also not support it so we can just remove Windows CE code. First remove
all macro usages from our own files.
* Remove rest Windows CE mentions
There where some Windows CE mentions left. Remove those.
* Update Windows CE documentation
We should keep documentation some time so people can find reason for
remove.
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Co-authored-by: Kari Argillander <kari.argillander@fidelix.com>