Revert "[BUGFIX lts] Prevents infinite rerenders when errors occur during render"

[rwjblue]

Reverts #19200 as it caused some production test failures:

[1022/210630.114228:INFO:CONSOLE(52)] "    Failed assertion: Died on test #5     at generateTest (http://localhost:13141/tests/ember-tests.js:108736:15)
    at Set.forEach (<anonymous>)
    at setupTestClass (http://localhost:13141/tests/ember-tests.js:108722:16)
    at http://localhost:13141/tests/ember-tests.js:108669:22
    at Object.<anonymous> (http://localhost:13141/tests/ember-tests.js:108073:9)
    at processModule (http://localhost:13141/tests/qunit/qunit.js:1200:16)
    at module$1 (http://localhost:13141/tests/qunit/qunit.js:1225:4)
    at Object.QUnit.module (http://localhost:13141/tests/ember-tests.js:108065:14): Cannot read property 'firstNode' of null
TypeError: Cannot read property 'firstNode' of null
    at SimpleLiveBlock.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at UpdatableBlockImpl.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at clear (http://localhost:13141/tests/ember.js:48106:24)
    at UpdatableBlockImpl.reset (http://localhost:13141/tests/ember.js:49339:25)
    at Function.resume (http://localhost:13141/tests/ember.js:48941:31)
    at TryOpcode.handleException (http://localhost:13141/tests/ember.js:52983:44)
    at UpdatingVMFrame.handleException (http://localhost:13141/tests/ember.js:53228:31)
    at UpdatingVM._throw [as throw] (http://localhost:13141/tests/ember.js:52893:18)
    at Assert.evaluate (http://localhost:13141/tests/ember.js:50235:17)
    at UpdatingVM._execute (http://localhost:13141/tests/ember.js:52880:16)", source:  (52)
[1022/210630.114975:INFO:CONSOLE(52)] "    Failed assertion: afterEach failed on  it can recover resets the transaction when an error is thrown during rerender: Cannot read property 'firstNode' of null
TypeError: Cannot read property 'firstNode' of null
    at SimpleLiveBlock.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at UpdatableBlockImpl.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at SimpleLiveBlock.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at UpdatableBlockImpl.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at SimpleLiveBlock.firstNode (http://localhost:13141/tests/ember.js:49238:20)
    at clear (http://localhost:13141/tests/ember.js:48106:24)
    at http://localhost:13141/tests/ember.js:53245:16
    at invoke (http://localhost:13141/tests/ember.js:57176:16)
    at Queue.flush (http://localhost:13141/tests/ember.js:57066:13)
    at DeferredActionQueues.flush (http://localhost:13141/tests/ember.js:57273:21)", source:  (52)

It seems likely that this was caused by interactions between #19199 and #19200, but I have not dug into it.