generic_axis.js : remove 'var pos' duplication

Apparently caused by merge
5 jobs for hotfix-c/jshint_var_pos_already_defined in 6 minutes and 3 seconds (queued for 5 minutes and 12 seconds)
Name Stage Failure
failed
test_browser-functional Test Functional There is an unknown failure, please try again
3 runs, 10 assertions, 0 failures, 0 errors, 0 skips

generating ci files
make[2]: *** [functional] Error 1
make[2]: Leaving directory `/home/gitlab_ci_multi_runner/builds/66984086/0/vidjil/vidjil/browser/test'
make[1]: *** [headless] Error 2
make[1]: Leaving directory `/home/gitlab_ci_multi_runner/builds/66984086/0/vidjil/vidjil/browser/test'
make: *** [headless_browser] Error 2
ERROR: Build failed: exit status 1
failed
code_quality Test Quality There is an unknown failure, please try again
germline/rattus-norvegicus/IGLJ_downstream.fa
germline/rattus-norvegicus/IGLJ.fa
germline/rattus-norvegicus/IGLV.fa
germline/IMGT_RELEASE
browser/js/germline.js
make[1]: Leaving directory `/home/gitlab_ci_multi_runner/builds/66984086/0/vidjil/vidjil/germline'
$ jshint browser/js/*.js
bash: line 52: jshint: command not found
ERROR: Build failed: exit status 1