Make Query not implement Iterator

Implementing interface which is only throwing exceptions is
confusing to static analysis.

Plus it makes code compatible with PHP 8.1, which requires
return types in the method annotation.

Author: lSimul

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['7.1', '7.2', '7.3', '7.4', '8.0']
+                php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
 
             fail-fast: false
 

LeanMapperQuery/Query.php

@@ -20,7 +20,6 @@
 use LeanMapperQuery\Exception\InvalidStateException;
 use LeanMapperQuery\Exception\MemberAccessException;
 use LeanMapperQuery\Exception\NonExistingMethodException;
-use LeanMapperQuery\Exception\NotImplementedException;
 
 /**
  * @author Michal Bohuslávek
@@ -32,7 +31,7 @@
  * @method $this limit(int $limit)
  * @method $this offset(int $offset)
  */
-class Query implements IQuery, \Iterator
+class Query implements IQuery
 {
 	/** @var string */
 	private static $defaultPlaceholder = '?';
@@ -689,32 +688,4 @@ private function commandOffset($offset)
 	{
 		$this->fluent->offset($offset);
 	}
-
-	//////////////////// Iterator //////////////////////
-
-	public function current()
-	{
-		throw new NotImplementedException("Query object is not iterable.");
-	}
-
-	public function next()
-	{
-		throw new NotImplementedException("Query object is not iterable.");
-	}
-
-	public function rewind()
-	{
-		throw new NotImplementedException("Query object is not iterable.");
-	}
-
-	public function key()
-	{
-		throw new NotImplementedException("Query object is not iterable.");
-	}
-
-	public function valid()
-	{
-		throw new NotImplementedException("Query object is not iterable.");
-	}
-
 }