[SYCL] Remove mentions of host device from in-tree LIT tests

sycl/test/basic_tests/accessor/accessor_property_list_rt.cpp

@@ -1,5 +1,5 @@
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
-// RUN: %RUN_ON_HOST %t.out
+// RUN: %t.out
 
 #include <sycl/sycl.hpp>
 

sycl/test/basic_tests/exceptions-SYCL-2020.cpp

@@ -1,5 +1,5 @@
 // RUN: %clangxx -fsycl %s -o %t.out
-// RUN: %RUN_ON_HOST %t.out
+// RUN: %t.out
 
 #include <sycl/sycl.hpp>
 

sycl/test/basic_tests/host_image_accessor_read.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
-// RUN: %RUN_ON_HOST %t.out
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: %t.out
 
 //==---- host_image_accessor_read.cpp - SYCL host image accessor check ----==//
 //
@@ -22,7 +22,6 @@ int foo(float *image_data) {
   sycl::range<3> r(3, 3, 3);
   {
     sycl::buffer<int, 1> ResultBuf(result, sycl::range<1>(2));
-    sycl::queue Q;
     sycl::image<3> Image(image_data, channelOrder, channelType, r);
 
     sycl::range<2> pitch = Image.get_pitch();

sycl/test/basic_tests/known_identity.cpp

@@ -1,5 +1,5 @@
 // RUN: %clangxx -fsycl -Xclang -verify %s -Xclang -verify-ignore-unexpected=note,warning -o %t.out -std=c++17
-// RUN: %RUN_ON_HOST %t.out
+// RUN: %t.out
 // expected-no-diagnostics
 
 // This test performs basic checks of has_known_identity and known_identity

sycl/test/basic_tests/marray/marray.cpp

@@ -1,5 +1,5 @@
 // RUN: %clangxx -fsycl %s -o %t.out
-// RUN: %RUN_ON_HOST %t.out
+// RUN: %t.out
 
 //==--------------- marray.cpp - SYCL marray test --------------------------==//
 //