fix: remove accept encoding header for first compressor only

Signed-off-by: Steven Kreitzer <[email protected]>

Author: buroa

test/e2e/tests/compression.go

@@ -114,7 +114,6 @@ func testCompression(t *testing.T, suite *suite.ConformanceTestSuite, compressio
 				"Accept-encoding": encoding,
 			},
 		},
-		// Verify that Accept-encoding header was NOT forwarded to the backend
 		ExpectedRequest: &http.ExpectedRequest{
 			Request: http.Request{
 				Path: "/compression",
@@ -155,7 +154,6 @@ func testCompressionChooseFirst(t *testing.T, suite *suite.ConformanceTestSuite,
 				"Accept-encoding": "gzip, br, zstd",
 			},
 		},
-		// Verify that Accept-encoding header was NOT forwarded to the backend
 		ExpectedRequest: &http.ExpectedRequest{
 			Request: http.Request{
 				Path: "/compression",