Back out "[2/n][Compute Meta] support analysis for null flag features"
Summary:
Original commit changeset: 46c59d849fa8
The original commit is breaking DPER3 release pipeline with the following failures:
https://www.internalfb.com/intern/chronos/jobinstance?jobinstanceid=9007207344413239&smc=chronos_gp_admin_client&offset=0
```
Child workflow f 202599639 failed with error: c10::Error: [enforce fail at operator.cc:76] blob != nullptr. op Save: Encountered a non-existing input blob: feature_preproc/feature_sparse_to_dense/default_float_value
```
https://www.internalfb.com/intern/chronos/jobinstance?jobinstanceid=9007207344855973&smc=chronos_gp_admin_client&offset=0
```
Child workflow f 202629391 failed with error: c10::Error: [enforce fail at operator.cc:76] blob != nullptr. op Save: Encountered a non-existing input blob: tum_preproc/inductive/feature_sparse_to_dense/default_float_value
```
Related UBN tasks: T69529846, T68986110
Test Plan: Build a DPER3 package on top of this commit, and check that DPER3 release test `model_deliverability_test` is passing.
Differential Revision: D22396317
fbshipit-source-id: 92d5b30cc146c005d6159a8d5bfe8973e2c546dd
