update psalm-baseline

Author: GromNaN

psalm-baseline.xml

@@ -558,14 +558,6 @@
       <code>isInTransaction</code>
     </MixedMethodCall>
   </file>
-  <file src="src/Operation/UpdateSearchIndex.php">
-    <MixedAssignment>
-      <code><![CDATA[$this->definition]]></code>
-    </MixedAssignment>
-    <RedundantConditionGivenDocblockType>
-      <code>! is_object($definition)</code>
-    </RedundantConditionGivenDocblockType>
-  </file>
   <file src="src/Operation/Watch.php">
     <MixedArgument>
       <code><![CDATA[$reply->cursor->firstBatch]]></code>