Local Execution: Op refactor

[reyna-abhyankar]

Description of changes:

Small fixes to operators to local execution and remove legion names

Related Issues:

Linked Issues:

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Issues closed by this PR:

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This change is 

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 41.32%. Comparing base (e667278) to head (286c8ae).

:exclamation: Current head 286c8ae differs from pull request most recent head c60efd9

Please upload reports for the commit c60efd9 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## repo-refactor #1389 +/- ## ============================================== Coverage 41.32% 41.32% ============================================== Files 181 181 Lines 5265 5265 Branches 271 271 ============================================== Hits 2176 2176 Misses 3089 3089 ``` | [Flag](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow) | `41.32% <0.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow) | Coverage Δ | | |---|---|---| | [lib/op-attrs/include/op-attrs/get\_output\_shapes.h](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?src=pr&el=tree&filepath=lib%2Fop-attrs%2Finclude%2Fop-attrs%2Fget_output_shapes.h&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#diff-bGliL29wLWF0dHJzL2luY2x1ZGUvb3AtYXR0cnMvZ2V0X291dHB1dF9zaGFwZXMuaA==) | `0.00% <ø> (ø)` | | | [lib/op-attrs/include/op-attrs/ops/element\_unary.h](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?src=pr&el=tree&filepath=lib%2Fop-attrs%2Finclude%2Fop-attrs%2Fops%2Felement_unary.h&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#diff-bGliL29wLWF0dHJzL2luY2x1ZGUvb3AtYXR0cnMvb3BzL2VsZW1lbnRfdW5hcnkuaA==) | `0.00% <ø> (ø)` | | | [lib/op-attrs/include/op-attrs/ops/linear.h](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?src=pr&el=tree&filepath=lib%2Fop-attrs%2Finclude%2Fop-attrs%2Fops%2Flinear.h&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#diff-bGliL29wLWF0dHJzL2luY2x1ZGUvb3AtYXR0cnMvb3BzL2xpbmVhci5o) | `0.00% <ø> (ø)` | | | [lib/op-attrs/include/op-attrs/ops/gather.h](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?src=pr&el=tree&filepath=lib%2Fop-attrs%2Finclude%2Fop-attrs%2Fops%2Fgather.h&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#diff-bGliL29wLWF0dHJzL2luY2x1ZGUvb3AtYXR0cnMvb3BzL2dhdGhlci5o) | `0.00% <0.00%> (ø)` | | | [lib/substitutions/src/operator\_attributes.cc](https://app.codecov.io/gh/flexflow/FlexFlow/pull/1389?src=pr&el=tree&filepath=lib%2Fsubstitutions%2Fsrc%2Foperator_attributes.cc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flexflow#diff-bGliL3N1YnN0aXR1dGlvbnMvc3JjL29wZXJhdG9yX2F0dHJpYnV0ZXMuY2M=) | `10.88% <0.00%> (ø)` | |