Revert "update OpenTelemetry dependencies"

This reverts commit 82e9ce79c7.

vendor/github.com/emicklei/go-restful/v3/compress.go

@@ -49,16 +49,6 @@ func (c *CompressingResponseWriter) CloseNotify() <-chan bool {
 	return c.writer.(http.CloseNotifier).CloseNotify()
 }
 
-// Flush is part of http.Flusher interface. Noop if the underlying writer doesn't support it.
-func (c *CompressingResponseWriter) Flush() {
-	flusher, ok := c.writer.(http.Flusher)
-	if !ok {
-		// writer doesn't support http.Flusher interface
-		return
-	}
-	flusher.Flush()
-}
-
 // Close the underlying compressor
 func (c *CompressingResponseWriter) Close() error {
 	if c.isCompressorClosed() {