HOPKINS: Remove more unused global variables
HOPKINS: Remove static game directory configuration options

Also, remove the unused VGA folder.
This is the first step to remove constructFilename() and associated functions.
HOPKINS: The return value of constructLinuxFilename is unused
HOPKINS: Fix regression (typo)
HOPKINS: Get rid of the checks for the interlaced videos inside the TSVGA folder
HOPKINS: Remove useless globals and rename some variables
HOPKINS: Fix fileExists()
HOPKINS: Get rid of the NOSPRECRAN global variable
HOPKINS: Get rid of _disableCursorFl