Plugins: Remove pkg/infra/fs, pkg/infra/tracing and pkg/infra/process dependencies from pkg/plugins (#115798)

* remove dependency on packages

* update tests

* trigger

pkg/util/proxyutil/reverse_proxy.go

@@ -11,6 +11,7 @@ import (
 
 	glog "github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/middleware/requestmeta"
+	"github.com/grafana/grafana/pkg/plugins/manager/client"
 	"github.com/grafana/grafana/pkg/services/contexthandler"
 )
 
@@ -102,7 +103,7 @@ func modifyResponse(logger glog.Logger) func(resp *http.Response) error {
 			resp.Header.Del(header)
 		}
 
-		SetProxyResponseHeaders(resp.Header)
+		client.SetCSPHeader(resp.Header)
 		SetViaHeader(resp.Header, resp.ProtoMajor, resp.ProtoMinor)
 
 		requestmeta.WithStatusSource(resp.Request.Context(), resp.StatusCode)