[code-reflection] RFR: [hat] Clean-up and formatting for HAT Dialect

[Juan Fumero]

This PR:
- Propagates the `location` from the replaced Op to the new HAT OP.
- Removes the data dependency to the `kernelContext` for all HAT Thread Ops.
- It removed unnecessary checks for the codegen

-------------

Commit messages:
 - typo fixed
 - [hat] Dialect Thread Nodes without dependencies
 - [hat] Dialect Ops with location propagated from the replaced Op
 - [hat] Remove old codegen to kernel context in fieldLoadOp

Changes: https://git.openjdk.org/babylon/pull/582/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=582&range=00
  Stats: 46 lines in 10 files changed: 12 ins; 8 del; 26 mod
  Patch: https://git.openjdk.org/babylon/pull/582.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/582/head:pull/582

PR: https://git.openjdk.org/babylon/pull/582