Remove unused isNull utility function

[timvandermeij]

No description provided.

[Snuffleupagus]

/botio test

[pdfjsbot]

From: Bot.io (Windows)

---

Received

Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.22.172.223:8877/8080d08b5cc0a5b/output.txt

[pdfjsbot]

From: Bot.io (Linux)

---

Received

Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.21.233.14:8877/fd7e20a0fffbeda/output.txt

[pdfjsbot]

From: Bot.io (Windows)

---

Failed

Full output at http://107.22.172.223:8877/8080d08b5cc0a5b/output.txt

Total script time: 17.56 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: FAILED

Image differences available at: http://107.22.172.223:8877/8080d08b5cc0a5b/reftest-analyzer.html#web=eq.log

[pdfjsbot]

From: Bot.io (Linux)

---

Success

Full output at http://107.21.233.14:8877/fd7e20a0fffbeda/output.txt

Total script time: 22.19 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[timvandermeij]

/botio-windows test

[pdfjsbot]

From: Bot.io (Windows)

---

Received

Command cmd_test from @timvandermeij received. Current queue size: 0

Live output at: http://107.22.172.223:8877/0329ec8f5715f4c/output.txt

[pdfjsbot]

From: Bot.io (Windows)

---

Success

Full output at http://107.22.172.223:8877/0329ec8f5715f4c/output.txt

Total script time: 17.55 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[Snuffleupagus]

Not only is this not used currently, it doesn't appear to ever have been in use :-) Thanks for the patch!