[chore] Remove components_test.go (#32357)

These files are not generated by the builder anymore and replaced by the
tests generated by mdatagen for each component independently, see
open-telemetry/opentelemetry-collector#9940

cmd/oteltestbedcol/go.mod

@@ -31,7 +31,6 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/tcplogreceiver v0.98.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/udplogreceiver v0.98.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/zipkinreceiver v0.98.0
-	github.com/stretchr/testify v1.9.0
 	go.opentelemetry.io/collector/component v0.98.1-0.20240412014414-62f589864e3d
 	go.opentelemetry.io/collector/connector v0.98.1-0.20240412014414-62f589864e3d
 	go.opentelemetry.io/collector/exporter v0.98.1-0.20240412014414-62f589864e3d
@@ -191,7 +190,6 @@ require (
 	github.com/philhofer/fwd v1.1.2 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/prometheus/client_golang v1.19.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect