[mob] Remove unused column from facesTable

mobile/lib/face/db.dart

@@ -268,10 +268,6 @@ class FaceMLDataDB {
         faceEmbeddingBlob,
         faceScore,
         faceBlur,
-        faceClusterId,
-        faceClosestDistColumn,
-        faceClosestFaceID,
-        faceConfirmedColumn,
         mlVersionColumn,
       ],
       where: '$fileIDColumn = ?',
@@ -370,7 +366,6 @@ class FaceMLDataDB {
         where: '$faceScore > $minScore and $faceBlur > $minClarity',
         limit: batchSize,
         offset: offset,
-        // orderBy: '$faceClusterId DESC',
         orderBy: '$faceIDColumn DESC',
       );
       // Break the loop if no more rows

mobile/lib/face/db_fields.dart

@@ -9,9 +9,6 @@ const faceEmbeddingBlob = 'eBlob';
 const faceScore = 'score';
 const faceBlur = 'blur';
 const faceClusterId = 'cluster_id';
-const faceConfirmedColumn = 'confirmed';
-const faceClosestDistColumn = 'close_dist';
-const faceClosestFaceID = 'close_face_id';
 const mlVersionColumn = 'ml_version';
 
 const createFacesTable = '''CREATE TABLE IF NOT EXISTS $facesTable (
@@ -22,9 +19,6 @@ const createFacesTable = '''CREATE TABLE IF NOT EXISTS $facesTable (
   $faceScore  REAL NOT NULL,
   $faceBlur REAL NOT NULL DEFAULT $kLapacianDefault,
 	$faceClusterId	INTEGER,
-	$faceClosestDistColumn	REAL,
-  $faceClosestFaceID  TEXT,
-	$faceConfirmedColumn  INTEGER NOT NULL DEFAULT 0,
   $mlVersionColumn	INTEGER NOT NULL DEFAULT -1,
   PRIMARY KEY($fileIDColumn, $faceIDColumn)
   );

mobile/lib/services/machine_learning/face_ml/feedback/cluster_feedback.dart

@@ -1,6 +1,5 @@
 import 'dart:developer' as dev;
 import "dart:math" show Random;
-import "dart:typed_data";
 
 import "package:flutter/foundation.dart";
 import "package:logging/logging.dart";