Remove broken support for multiple UNIQUE

According to the ASN.1 standard, having multiple UNIQUE in class
is allowed. For example:

  C ::= CLASS {
    &id1 INTEGER UNIQUE,
    &id2 INTEGER UNIQUE
  }

In practice, no one uses multiple UNIQUE.

The ASN.1 compiler will crash if a class with multiple UNIQUE
is used, but the backends have half-hearted support for multiple
UNIQUE in that they generate helper functions similar to:

getenc_OBJECT_SET(id1, 42) ->
  fun enc_XXX/3;
...

Since we have no plans to implement support for multiple UNIQUE
(no one seems to have missed it), simplify the helper functions
like this:

getenc_OBJECT_SET(42) ->
  fun enc_XXX/3;
...

0 files changed, 0 insertions, 0 deletions