Make $_REQUEST processing independent of sub-calls

- Move HTTPInputData::process() into App::runFrontend()
- Pass $_REQUEST (including processed Input) to every Module method
- Delete $_POST parameters at Module post() calls because of $_REQUEST

src/Module/Settings/TwoFactor/AppSpecific.php

@@ -66,7 +66,7 @@ class AppSpecific extends BaseSettings
 		}
 	}
 
-	protected function post(array $request = [], array $post = [])
+	protected function post(array $request = [])
 	{
 		if (!local_user()) {
 			return;

src/Module/Settings/TwoFactor/Index.php

@@ -33,7 +33,7 @@ use PragmaRX\Google2FA\Google2FA;
 
 class Index extends BaseSettings
 {
-	protected function post(array $request = [], array $post = [])
+	protected function post(array $request = [])
 	{
 		if (!local_user()) {
 			return;

src/Module/Settings/TwoFactor/Recovery.php

@@ -64,7 +64,7 @@ class Recovery extends BaseSettings
 		}
 	}
 
-	protected function post(array $request = [], array $post = [])
+	protected function post(array $request = [])
 	{
 		if (!local_user()) {
 			return;

src/Module/Settings/TwoFactor/Trusted.php

@@ -48,7 +48,7 @@ class Trusted extends BaseSettings
 		}
 	}
 
-	protected function post(array $request = [], array $post = [])
+	protected function post(array $request = [])
 	{
 		if (!local_user()) {
 			return;

src/Module/Settings/TwoFactor/Verify.php

@@ -70,7 +70,7 @@ class Verify extends BaseSettings
 		}
 	}
 
-	protected function post(array $request = [], array $post = [])
+	protected function post(array $request = [])
 	{
 		if (!local_user()) {
 			return;