remove unused imports

Author: tomcat323

packages/core/src/codewhisperer/nextEditPrediction/activation.ts

@@ -8,7 +8,6 @@ import { PredictionTracker } from './PredictionTracker'
 import { PredictionKeyStrokeHandler } from './PredictionKeyStrokeHandler'
 import { getLogger } from '../../shared/logger/logger'
 import { ExtContext } from '../../shared/extensions'
-import { SnapshotVisualizer } from './SnapshotVisualizer'
 
 export let predictionTracker: PredictionTracker | undefined
 let keyStrokeHandler: PredictionKeyStrokeHandler | undefined