refactor(Oracle): remove unnecessary binding

[nduchak]

No description provided.

[codecov]

Codecov Report

Merging #885 into develop will increase coverage by 26.15%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           develop     #885       +/-   ##
============================================
+ Coverage    66.39%   92.55%   +26.15%     
============================================
  Files           43       57       +14     
  Lines         2303     2846      +543     
============================================
+ Hits          1529     2634     +1105     
+ Misses         774      212      -562

Impacted Files	Coverage Δ
es/channel/handlers.js	79.27% <0%> (-0.91%)	⬇️
.../utils/aepp-wallet-communication/rpc/wallet-rpc.js	98.86% <0%> (ø)
es/ae/aepp.js	100% <0%> (ø)
es/rpc/server.js	100% <0%> (ø)
es/index.js	100% <0%> (ø)
es/utils/aepp-wallet-communication/rpc/aepp-rpc.js	100% <0%> (ø)
es/ae/wallet.js	100% <0%> (ø)
es/utils/aepp-wallet-communication/schema.js	94.44% <0%> (ø)
es/utils/aepp-wallet-communication/helpers.js	100% <0%> (ø)
es/utils/hd-wallet.js	96% <0%> (ø)
... and 34 more

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