Desupported environment variables

The Four Js Business Development Suite (BDS) environment variables no longer supported (or replaced) in Genero Business Development Language.

Table 1. Desupported environment variables
Entry	Description of the BDS environment variable	Genero equivalent
`FGLDBS`	FGLDBS defines the type and version of the database driver, used when linking fglrun with fglmkrun.	Database drivers are loaded dynamically by fglrun.
`FGLCC`	FGLCC defines the name of the C compiler.	The fglrun tool does not need to be created, it's fully dynamic.
`FGLLIBSQL`	FGLLIBSQL defines the list of database client software libraries to be used to link fglrun with fglmkrun.	Database drivers are loaded dynamically by fglrun.
`FGLLIBSYS`	FGLLIBSYS defines the list of system libraries to be used to link fglrun with fglmkrun.	The fglrun tool does not need to be created, it's fully dynamic.
`FGLSHELL`	FGLSHELL defined the name of the fglrun program, for example when using tools like fglschema.	The name of the runtime system tool is fglrun and does not need to be changed.