function deletes the extra field with index
for the file at position
in the zip archive.
then all extra fields will be deleted.
Delete extra fields from the archives central directory.
Delete extra fields from the local file headers.
function deletes the extra field with ID (two-byte signature)
(in other words, the
extra field with ID
The other arguments are the same as for
will delete all extra fields of the specified ID).
Please note that due to the library design, the index of an extra
field may be different between central directory and local file
For this reason, it is not allowed to specify both
except when deleting all extra fields (i.e.,