chore: address comments 📝

Author: bricss

lib/compression.js

@@ -47,7 +47,6 @@ exports = module.exports = internals.Compression = class {
 
     addEncoder(encoding, encoder) {
 
-        Hoek.assert(this.encoders[encoding] === undefined, `Cannot override existing encoder for ${encoding}`);
         Hoek.assert(typeof encoder === 'function', `Invalid encoder function for ${encoding}`);
         this.encoders[encoding] = encoder;
         this.encodings.unshift(encoding);
@@ -56,7 +55,6 @@ exports = module.exports = internals.Compression = class {
 
     addDecoder(encoding, decoder) {
 
-        Hoek.assert(this.decoders[encoding] === undefined, `Cannot override existing decoder for ${encoding}`);
         Hoek.assert(typeof decoder === 'function', `Invalid decoder function for ${encoding}`);
         this.decoders[encoding] = decoder;
     }