Updated delete function in rest_api.js

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (65c68c4) 95.91% compared to head (84b4f21) 95.91%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #114 +/- ## ======================================= Coverage 95.91% 95.91% ======================================= Files 8 8 Lines 367 367 ======================================= Hits 352 352 Misses 15 15 ```

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[PepperandSummer]

-Also means #89 Create Order UI is done