Reevaluate go replace for certain packages

[leochr]

The go.mod includes some replace instructions for certain packages. Evaluate whether they are still needed. If needed, can the versions be moved up?

replace (
	//To resolve license issue - https://github.com/operator-framework/operator-registry/issues/190
	github.com/otiai10/copy => github.com/otiai10/copy v1.0.2
	github.com/otiai10/mint => github.com/otiai10/mint v1.3.0
	github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.11.1
	golang.org/x/text => golang.org/x/text v0.4.0
)

replace github.com/docker/docker => github.com/moby/moby v0.7.3-0.20190826074503-38ab9da00309 // Required by Helm

• Completed for OLO
• Completed for RCO
• Completed for WLO

[kabicin]

ready for review
RCO: application-stacks/runtime-component-operator#639
WLO: WASdev/websphere-liberty-operator#654
OLO: #591