Delete a parameter.
DWORD CfgParDelete(
CFGFILE cFile,
LPCSTR szSection,
LPCSTR szPar
);
cFile 
szSection 
szPar 
ECFG_OK for success or an error code on failure.
Deletes the parameter with its value and comment form its section.
ECFG_BADCFGFILE 
ECFG_NOTFOUND 
ECFG_NOTFOUND2 
ECFG_WRONGFILETYPE