Revert "Plugins: Update PDC pattern from latest plugin SDK changes" (#76565)

Revert "Plugins: Update PDC pattern from latest plugin SDK changes (#76036)"

This reverts commit 151f6d6216.

pkg/tsdb/sqleng/proxyutil/proxy_test_util.go

@@ -100,6 +100,7 @@ func SetupTestSecureSocksProxySettings(t *testing.T) *sdkproxy.ClientCfg {
 	require.NoError(t, err)
 
 	settings := &sdkproxy.ClientCfg{
+		Enabled:      true,
 		ClientCert:   clientCert,
 		ClientKey:    clientKey,
 		RootCA:       rootCACert,
@@ -107,5 +108,6 @@ func SetupTestSecureSocksProxySettings(t *testing.T) *sdkproxy.ClientCfg {
 		ProxyAddress: proxyAddress,
 	}
 
+	sdkproxy.Cli = sdkproxy.NewWithCfg(settings)
 	return settings
 }