lib: removes unused array in receiver_binary_1.js (#158)

Signed-off-by: Helio Frota <[email protected]>

Author: helio-frota

lib/bindings/http/receiver_binary_1.js

@@ -33,9 +33,6 @@ const allowedContentTypes = [];
 allowedContentTypes.push(Constants.MIME_JSON);
 allowedContentTypes.push(Constants.MIME_OCTET_STREAM);
 
-const allowedEncodings = [];
-allowedEncodings.push(Constants.ENCODING_BASE64);
-
 const requiredHeaders = [];
 requiredHeaders.push(Constants.BINARY_HEADERS_1.TYPE);
 requiredHeaders.push(Constants.BINARY_HEADERS_1.SPEC_VERSION);