Revert "e2e tests"

This reverts commit c2b55ab

Author: I750911

sample-code/spring-app/src/test/java/com/sap/ai/sdk/app/controllers/SpringAiOrchestrationTest.java

@@ -58,22 +58,6 @@ void testMasking() {
     assertThat(response.getResult().getOutput().getText()).isNotEmpty();
   }
 
-  @Test
-  void testInputFiltering() {
-    assertThatThrownBy(() -> service.inputFiltering())
-        .isInstanceOf(OrchestrationClientException.class)
-        .hasMessageContaining("filter")
-        .hasMessageContaining("400 Bad Request");
-  }
-
-  @Test
-  void testOutputFiltering() {
-    assertThatThrownBy(() -> service.outputFiltering())
-        .isInstanceOf(OrchestrationClientException.class)
-        .hasMessageContaining("filter")
-        .hasMessageContaining("400 Bad Request");
-  }
-
   @Test
   void testToolCallingWithoutExecution() {
     ChatResponse response = service.toolCalling(false);