typo

src/app/tabs/debugger-tab.js

@@ -71,7 +71,7 @@ class DebuggerTab extends ViewPlugin {
   }
 
   deactivate () {
-    this.debuggerUI.deletHighlights()
+    this.debuggerUI.deleteHighlights()
     super.deactivate()
   }
 

src/app/tabs/debugger/debuggerUI.js

@@ -219,7 +219,7 @@ class DebuggerUI {
     this.event.trigger('traceUnloaded')
   }
 
-  async deletHighlights () {
+  async deleteHighlights () {
     await this.debuggerModule.call('editor', 'discardHighlight')
   }