navigation discovery

Author: shalom938

src/main/kotlin/org/digma/intellij/plugin/ui/navigation/CodeContextUpdateService.kt

@@ -6,12 +6,10 @@ import com.intellij.openapi.components.Service
 import com.intellij.openapi.components.service
 import com.intellij.openapi.diagnostic.thisLogger
 import com.intellij.openapi.fileEditor.FileDocumentManager
-import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.fileEditor.FileEditorManagerEvent
 import com.intellij.openapi.fileEditor.FileEditorManagerListener
 import com.intellij.openapi.fileEditor.TextEditor
 import com.intellij.openapi.project.Project
-import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.wm.ToolWindow
 import com.intellij.openapi.wm.ToolWindowManager
 import com.intellij.openapi.wm.ex.ToolWindowManagerListener