fix: remove react-native-safe-area-context from example app (#897)

### Summary

Remove `react-native-safe-area-context` from example app as it is not
used and is causing Nitro module android build crash mentioned in #896.

### Test plan

Verify that generated libraries build correctly.

Author: jaworek

packages/create-react-native-library/src/exampleApp/generateExampleApp.ts

@@ -34,6 +34,7 @@ const PACKAGES_TO_REMOVE = [
   'prettier',
   'react-test-renderer',
   'typescript',
+  'react-native-safe-area-context',
 ];
 
 const PACKAGES_TO_ADD_WEB = {
@@ -196,6 +197,8 @@ export default async function generateExampleApp({
   PACKAGES_TO_REMOVE.forEach((name) => {
     // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
     delete devDependencies[name];
+    // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+    delete dependencies[name];
   });
 
   const PACKAGES_TO_ADD_DEV = {