The DeletePrintProcessor function removes a printer processor added by the AddPrintProcessor function.
BOOL DeletePrintProcessor(
  LPTSTR pName,                // pointer to server name
  LPTSTR pEnvironment,         // pointer to environment string
  LPTSTR pPrintProcessorName   // pointer to processor name
);
 If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in winspool.h.
  Import Library: Use winspool.lib.
  Unicode: Implemented as Unicode and ANSI versions on Windows NT.
Printing and Print Spooler Overview, Printing and Print Spooler Functions, AddPrintProcessor