Revert "Accept header forces application/json type even if server (#10337)" (#10440)

This reverts commit 18301d0011.

modules/openapi-generator/src/main/resources/go/client.mustache

@@ -101,6 +101,10 @@ func selectHeaderAccept(accepts []string) string {
 		return ""
 	}
 
+	if contains(accepts, "application/json") {
+		return "application/json"
+	}
+
 	return strings.Join(accepts, ",")
 }
 

samples/client/petstore/go/go-petstore/client.go

@@ -109,6 +109,10 @@ func selectHeaderAccept(accepts []string) string {
 		return ""
 	}
 
+	if contains(accepts, "application/json") {
+		return "application/json"
+	}
+
 	return strings.Join(accepts, ",")
 }
 

samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go

@@ -94,6 +94,10 @@ func selectHeaderAccept(accepts []string) string {
 		return ""
 	}
 
+	if contains(accepts, "application/json") {
+		return "application/json"
+	}
+
 	return strings.Join(accepts, ",")
 }
 

samples/openapi3/client/petstore/go/go-petstore/client.go

@@ -112,6 +112,10 @@ func selectHeaderAccept(accepts []string) string {
 		return ""
 	}
 
+	if contains(accepts, "application/json") {
+		return "application/json"
+	}
+
 	return strings.Join(accepts, ",")
 }