Remove leftover comment in tcRnModule', redundant bind

The code for the comment was moved in dc8c03b2 but the comment was
forgotten.
24 jobs for master in 484 minutes and 8 seconds (queued for 27 seconds)
Status Name Job ID Coverage
  Lint
passed lint-linters #316694
lint

00:00:13

failed lint-submods #316697
lint allowed to fail

00:00:11

passed lint-submods-branch #316698
lint

00:00:16

passed lint-testsuite #316695
lint

00:00:15

passed typecheck-testsuite #316696
lint

00:00:14

 
  Quick Build
passed hadrian-ghc-in-ghci #316699
x86_64-linux

00:07:26

 
  Build
passed validate-x86_64-linux-deb9-hadrian #316700
x86_64-linux

01:47:47

 
  Full Build
failed validate-aarch64-linux-deb9 #316703
aarch64-linux allowed to fail

03:14:20

failed validate-armv7-linux-deb9 #316704
armv7-linux

04:02:54

passed validate-i386-linux-deb9 #316705
x86_64-linux

01:18:07

failed validate-i386-windows #316712
new-x86_64-windows test allowed to fail

00:00:09

passed validate-x86_64-darwin #316702
x86_64-darwin

01:09:21

passed validate-x86_64-linux-deb9-debug #316706
x86_64-linux

02:37:50

passed validate-x86_64-linux-deb9-dwarf #316708
x86_64-linux

02:34:20

passed validate-x86_64-linux-deb9-integer-simple #316707
x86_64-linux

01:57:19

passed validate-x86_64-linux-deb9-unreg-hadrian #316701
x86_64-linux

03:21:56

passed validate-x86_64-linux-fedora27 #316709
x86_64-linux

02:16:23

failed validate-x86_64-windows #316711
new-x86_64-windows test allowed to fail

00:00:09

failed validate-x86_64-windows-hadrian #316710
new-x86_64-windows test allowed to fail

00:00:10

 
  Cleanup
passed cleanup-darwin #316713
x86_64-darwin

00:00:16

 
  Packaging
skipped doc-tarball #316714
x86_64-linux allowed to fail
 
  Testing
skipped hackage #316715
x86_64-linux allowed to fail manual
skipped perf-nofib #316716
x86_64-linux
 
  Deploy
skipped pages #316717
x86_64-linux allowed to fail
 
Name Stage Failure
failed
validate-i386-windows Full Build
Git branch:   12-9-stable
GO version: go1.13.8
Built: 2020-03-20T13:02:39+0000
OS/Arch: windows/amd64
Uploading artifacts...
Runtime platform
arch=amd64 os=windows pid=6236 revision=4c96e5ad version=12.9.0
WARNING: junit.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit status 1
failed
validate-armv7-linux-deb9 Full Build
Uploading artifacts...
ghc-armv7-linux-deb9.tar.xz: found 1 matching files
junit.xml: found 1 matching files

performance-metrics.tsv: found 1 matching files

Uploading artifacts to coordinator... ok
id=316704 responseStatus=201 Created token=4VQsxf59
Uploading artifacts...
junit.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=316704 responseStatus=201 Created token=4VQsxf59
ERROR: Job failed: exit code 1
failed
validate-aarch64-linux-deb9 Full Build
Uploading artifacts...
ghc-aarch64-linux-deb9.tar.xz: found 1 matching files
junit.xml: found 1 matching files

performance-metrics.tsv: found 1 matching files

Uploading artifacts to coordinator... ok
id=316703 responseStatus=201 Created token=QfGU5bzv
Uploading artifacts...
junit.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=316703 responseStatus=201 Created token=QfGU5bzv
ERROR: Job failed: exit code 1
failed
lint-submods Lint
Entering 'libraries/unix'
Entering 'libraries/xhtml'
Entering 'nofib'
Entering 'utils/haddock'
Entering 'utils/hsc2hs'
Authenticating with credentials from job payload (GitLab Registry)
$ git fetch "$CI_MERGE_REQUEST_PROJECT_URL" $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
fatal: No path specified. See 'man git-pull' for valid url syntax
ERROR: Job failed: exit code 1
failed
validate-x86_64-windows-hadrian Full Build
Git branch:   12-9-stable
GO version: go1.13.8
Built: 2020-03-20T13:02:39+0000
OS/Arch: windows/amd64
Uploading artifacts...
Runtime platform
arch=amd64 os=windows pid=4500 revision=4c96e5ad version=12.9.0
WARNING: junit.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit status 1
failed
validate-x86_64-windows Full Build
Git branch:   12-9-stable
GO version: go1.13.8
Built: 2020-03-20T13:02:39+0000
OS/Arch: windows/amd64
Uploading artifacts...
Runtime platform
arch=amd64 os=windows pid=6496 revision=4c96e5ad version=12.9.0
WARNING: junit.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit status 1