util/decoding: Remove unused pkg functions.

Signed-off-by: Philip Conrad <philipaconrad@gmail.com>

util/decoding/context.go

@@ -4,24 +4,17 @@ import "context"
 
 type requestContextKey string
 
+// Note(philipc): We can add functions later to add the max request body length
+// to contexts, if we ever need to.
 const (
 	reqCtxKeyMaxLen     = requestContextKey("server-decoding-plugin-context-max-length")
 	reqCtxKeyGzipMaxLen = requestContextKey("server-decoding-plugin-context-gzip-max-length")
 )
 
-func AddServerDecodingBodyMaxLen(ctx context.Context, maxLen int64) context.Context {
-	return context.WithValue(ctx, reqCtxKeyMaxLen, maxLen)
-}
-
 func AddServerDecodingGzipMaxLen(ctx context.Context, maxLen int64) context.Context {
 	return context.WithValue(ctx, reqCtxKeyGzipMaxLen, maxLen)
 }
 
-func GetServerDecodingBodyMaxLen(ctx context.Context) (int64, bool) {
-	maxLength, ok := ctx.Value(reqCtxKeyMaxLen).(int64)
-	return maxLength, ok
-}
-
 func GetServerDecodingGzipMaxLen(ctx context.Context) (int64, bool) {
 	gzipMaxLength, ok := ctx.Value(reqCtxKeyGzipMaxLen).(int64)
 	return gzipMaxLength, ok