fix(ios): remove additional gc protection once proxy is remembered (8_1_X)

[janvennemann]

JIRA: https://jira.appcelerator.org/browse/TIMOB-27207

8_1_X backport of #11028

[build]

	Fails
🚫	Tests have failed, see below for more information.

	Messages
📖	💾 Here's the generated SDK zipfile.
📖	❌ 3 tests have failed There are 3 tests failing and 470 skipped out of 3705 total tests.

Tests:

Classname	Name	Time	Error
android.emulator.Titanium.Geolocation	#forwardGeocoder() (as approximately)	1.973	Error: expected 37.3909049 to be approximately 37.387 ±0.002 at Assertion.fail (/node_modules/should/cjs/should.js:275:17) at Assertion.value [as approximately] (/node_modules/should/cjs/should.js:356:19) at Geolocation.<anonymous> (/ti.geolocation.test.js:260:34)
android.emulator.Titanium.Network.HTTPClient	callbackTestForGETMethod	9.909	Error: 404 : Not Found at HTTPClient.xhr.onerror (/ti.network.httpclient.test.js:410:16)
ios.Titanium.Database	#executeAllAsync() does not allow DB to be GC'd	60.006	Error: timeout of 60000ms exceeded file:///Users/build/Library/Developer/CoreSimulator/Devices/29E1514E-93D8-4A4B-A306-F232955340BA/data/Containers/Bundle/Application/93E23638-2F5E-4A0B-9DD5-69C0E9506896/mocha.app/ti-mocha.js:4290:32

Generated by 🚫 dangerJS against 14ab1fd

[sgtcoolguy]

As per the original PR, code looks all right, trusting your knowledge is correct here 👍

(QE please see the original PR for FR test steps)

[lokeshchdhry]

Closing as fix is not needed in 8_1_X & backport for 8_2_X is created here #11274