BREAKING(json): remove json from module names

[iuioiua]

What's changed

json has been removed from module names in @std/json. In other words:

1. @std/json/json-parse-stream has moved to @std/json/parse-stream.
2. @std/json/json-stringify-stream has moved to @std/json/stringify-stream.

Motivations

These changes were made to shorten these module specifiers while still retaining their context; that they're JSON-oriented streams.

Migration guide

To migrate:

1. Import from @std/json/parse-stream instead of @std/json/json-parse-stream.

   - import { JsonParseStream } from "@std/json/json-parse-stream";
   + import { JsonParseStream } from "@std/json/parse-stream";
   
   // ...

2. Import from @std/json/stringify-stream instead of @std/json/json-stringify-stream.

   - import { JsonStringifyStream } from "@std/json/json-stringify-stream";
   + import { JsonStringifyStream } from "@std/json/stringify-stream";
   
   // ...

---

Closes #5177.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.95%. Comparing base (b11514e) to head (05bc6da).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5173   +/-   ##
=======================================
  Coverage   94.95%   94.95%           
=======================================
  Files         460      460           
  Lines       38073    38073           
  Branches     5549     5549           
=======================================
  Hits        36154    36154           
  Misses       1878     1878           
  Partials       41       41           

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[kt3k]

LGTM