chore: removes suppression in integration test

Author: baywet

it/config.json

@@ -33,10 +33,6 @@
         "Language": "typescript",
         "Rationale": "https://github.com/microsoft/kiota/issues/5634"
       },
-      {
-        "Language": "php",
-        "Rationale": "https://github.com/microsoft/kiota/issues/5635"
-      },
       {
         "Language": "ruby",
         "Rationale": "https://github.com/microsoft/kiota/issues/1816"
@@ -267,4 +263,4 @@
     "Suppressions": [],
     "IdempotencySuppressions": []
   }
-}
+}