Delete a section.
DWORD CfgSectionDelete(
CFGFILE cFile,
LPCSTR szSection
);
cFile 
szSection 
ECFG_OK for success or an error code on failure.
Deletes the section with all its parameters.
ECFG_BADCFGFILE 
ECFG_NOTFOUND 
ECFG_WRONGFILETYPE