test: correct variable name in e2e test

this was intended to be a static framework toggle, use correct name
(vs copy-paste analytics var name) and disable it as !use_frameworks dominates
the setting in practice

Author: mikehardy

tests/ios/Podfile

@@ -10,7 +10,9 @@ appPackage = JSON.parse(File.read(File.join('..', 'node_modules', '@react-native
 $FirebaseSDKVersion = appPackage['sdkVersions']['ios']['firebase']
 # $FirebaseSDKVersion = '10.17.0' # https://firebase.google.com/support/release-notes/ios
 Pod::UI.puts "react-native-firebase/tests: Using Firebase SDK version '#{$FirebaseSDKVersion}'"
-$RNFirebaseAnalyticsEnableAdSupport = true # toggle this to true (and set 'use_frameworks!' below to test static frameworks)
+
+# Everything will be static with `use_frameworks!`, but you can set it manually for testing if desired
+# $RNFirebaseAsStaticFramework = true # toggle this to true (and set 'use_frameworks!' below to test static frameworks)
 
 # Toggle this to true for the no-ad-tracking Analytics subspec. Useful at minimum for Kids category apps.
 # See: https://firebase.google.com/support/release-notes/ios#analytics - requires firebase-ios-sdk 7.11.0+