chore: remove depreacted opencensus instrumentation (#242)

go.mod

@@ -3,7 +3,6 @@ module github.com/hypertrace/goagent
 go 1.22
 
 require (
-	contrib.go.opencensus.io/exporter/zipkin v0.1.2
 	github.com/gin-gonic/gin v1.9.1
 	github.com/go-logr/logr v1.4.2
 	github.com/go-logr/zapr v1.3.0
@@ -16,7 +15,6 @@ require (
 	github.com/ngrok/sqlmw v0.0.0-20200129213757-d5c93a81bec6
 	github.com/openzipkin/zipkin-go v0.4.3
 	github.com/stretchr/testify v1.9.0
-	go.opencensus.io v0.24.0
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.56.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0
 	go.opentelemetry.io/contrib/propagators/b3 v1.31.0
@@ -54,7 +52,6 @@ require (
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.14.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect