Remove superfluous variable

6 jobs for master in 3 minutes and 25 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #38265
1.8.0-coq-8.8

00:01:58

passed #38267
1.9.0-coq-8.9

00:01:58

failed #38266
allowed to fail
1.9.0-coq-dev

00:00:15

 
  Process
passed #38269
doc

00:00:22

passed #38270
proof-length

00:00:15

passed #38268
validate

00:01:26

 
Name Stage Failure
failed
1.9.0-coq-dev Build There is an unknown failure, please try again
COQC util/powerset.v
COQC util/seqset.v
File "./util/seqset.v", line 19, characters 42-52:
Error: The reference mkPredType was not found in the current environment.

make[1]: *** [Makefile:659: util/seqset.vo] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:321: all] Error 2
ERROR: Job failed: exit code 1