eth/filters: remove use of event.TypeMux for pending logs (#20312)

accounts/abi/bind/backends/simulated.go

core/events.go

eth/api_backend.go

eth/filters/api.go

eth/filters/bench_test.go

eth/filters/filter.go

eth/filters/filter_system.go

eth/filters/filter_system_test.go

eth/filters/filter_test.go

internal/ethapi/backend.go

miner/miner.go

miner/worker.go