Remove NUMBER_OF_COLUMNS and MAX_CELLS_IN_EXTENDED_MATRIX configuration. (#16073)

**What type of PR is this?**
Other

**What does this PR do? Why is it needed?**
This pull request removes `NUMBER_OF_COLUMNS` and
`MAX_CELLS_IN_EXTENDED_MATRIX` configuration.

**Other notes for review**
Please read commit by commit, with commit messages.

**Acknowledgements**
- [x] I have read
[CONTRIBUTING.md](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md).
- [x] I have included a uniquely named [changelog fragment
file](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md#maintaining-changelogmd).
- [x] I have added a description to this PR with sufficient context for
reviewers to understand this PR.

beacon-chain/blockchain/process_block.go

@@ -634,9 +634,7 @@ func missingDataColumnIndices(store *filesystem.DataColumnStorage, root [fieldpa
 		return nil, nil
 	}
 
-	numberOfColumns := params.BeaconConfig().NumberOfColumns
-
-	if uint64(len(expected)) > numberOfColumns {
+	if len(expected) > fieldparams.NumberOfColumns {
 		return nil, errMaxDataColumnsExceeded
 	}
 
@@ -818,10 +816,9 @@ func (s *Service) areDataColumnsAvailable(
 
 		case <-ctx.Done():
 			var missingIndices any = "all"
-			numberOfColumns := params.BeaconConfig().NumberOfColumns
-			missingIndicesCount := uint64(len(missing))
+			missingIndicesCount := len(missing)
 
-			if missingIndicesCount < numberOfColumns {
+			if missingIndicesCount < fieldparams.NumberOfColumns {
 				missingIndices = helpers.SortedPrettySliceFromMap(missing)
 			}