Remove `extension/jaegerremotesampling` dependency on `JAEGER/cmd/collector/app/sampling`

[ary82]

Component(s)

extension/jaegerremotesampling

Describe the issue you're reporting

In extension/jaegerremotesampling,

1. The internal package has the following dependencies:

   • The Provider interface from JAEGER/cmd/collector/app/sampling/samplingstrategy
   • The GRPCHandler struct from JAEGER/cmd/collector/app/sampling

2. As for the root package in extension/jaegerremotesampling, it depends on the code from:

   • JAEGER/plugin/sampling/strategyprovider/static/options.go
   • JAEGER/plugin/sampling/strategyprovider/static/providers.go

jaegertracing/jaeger#6411

[github-actions]

Pinging code owners:

• extension/jaegerremotesampling: @yurishkuro @frzifus

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