Remove check for HostPipe attribute in attribute list test

Author: rho180

clang/test/Misc/pragma-attribute-supported-attributes-list.test

@@ -171,7 +171,6 @@
 // CHECK-NEXT: SYCLDeviceHas (SubjectMatchRule_function)
 // CHECK-NEXT: SYCLDeviceIndirectlyCallable (SubjectMatchRule_function)
 // CHECK-NEXT: SYCLGlobalVariableAllowed (SubjectMatchRule_record)
-// CHECK-NEXT: SYCLHostPipe (SubjectMatchRule_record)
 // CHECK-NEXT: SYCLIntelDisableLoopPipelining (SubjectMatchRule_function)
 // CHECK-NEXT: SYCLIntelInitiationInterval (SubjectMatchRule_function)
 // CHECK-NEXT: SYCLIntelKernelArgsRestrict (SubjectMatchRule_function)