Fix broken links in ibm-mq-metrics README

[trask]

Component(s)

ibm-mq-metrics

What happened?

 [404] https://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.adm.doc/q020010_.htm | Network error: Not Found
 [404] https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_8.0.0/com.ibm.mq.adm.doc/q020010_.htm | Network error: Not Found
 [404] https://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.adm.doc/q019990_.htm | Network error: Not Found
 [404] http://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.dev.doc/q113210_.htm | Network error: Not Found

Component version

main

Log output

No response

Additional context

No response

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