Remove analytics events for loading/packaging/previewing

The data I wanted has been gathered
Load project - 80% CR
Package - 55% CR
Preview - 28% CR

src/packager/PackagerOptions.svelte

@@ -97,7 +97,6 @@
     if (result) {
       downloadURL(result.filename, url);
     }
-    analytics.sendEvent('Package');
   };
 
   const preview = async () => {
@@ -111,7 +110,6 @@
       previewer.close();
     }
     previewer = null;
-    analytics.sendEvent('Preview');
   };
 
   const reset = async () => {

src/packager/SelectProject.svelte

@@ -89,8 +89,6 @@
         title: projectTitle,
         project,
       };
-
-      analytics.sendEvent('Load Project');
     } catch (e) {
       $error = e;
     }