[E2E][BINDLESS] Remove unused sycl::context in e2e tests (#18679)

`sycl::context ctxt` var is instantiated but then never used in several
bindless tests. This PR removes all such cases.

---------

Signed-off-by: JackAKirk <jack.kirk@codeplay.com>

Author: JackAKirk

sycl/test-e2e/bindless_images/array/fetch_sampled_array.cpp

@@ -99,7 +99,6 @@ bool run_test(sycl::range<NDims> dims, sycl::range<NDims> localSize,
   using VecType = sycl::vec<DType, NChannels>;
 
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   // skip half tests if not supported.
   if constexpr (std::is_same_v<DType, sycl::half>) {

sycl/test-e2e/bindless_images/array/read_sampled_array.cpp

@@ -151,7 +151,6 @@ static bool runTest(sycl::range<NDims> dims, sycl::range<NDims> localSize,
   }
 
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   sycl::backend backend = dev.get_backend();
 

sycl/test-e2e/bindless_images/array/read_write_1d_subregion.cpp

@@ -21,7 +21,6 @@ int main() {
 
   sycl::device dev;
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   // declare image data
   size_t width = 4;

sycl/test-e2e/bindless_images/array/read_write_2d_subregion.cpp

@@ -22,7 +22,6 @@ int main() {
 
   sycl::device dev;
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   // declare image data
   size_t width = 6;

sycl/test-e2e/bindless_images/array/read_write_unsampled_array.cpp

@@ -128,7 +128,6 @@ bool run_test(sycl::range<NDims> dims, sycl::range<NDims> localSize,
   using VecType = sycl::vec<DType, NChannels>;
 
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   // skip half tests if not supported.
   if constexpr (std::is_same_v<DType, sycl::half>) {

sycl/test-e2e/bindless_images/copies/device_to_device_copy.cpp

@@ -232,7 +232,6 @@ int main() {
 
   sycl::device dev;
   sycl::queue q(dev);
-  auto ctxt = q.get_context();
 
   // Standard images copies
   bool validated =

sycl/test-e2e/bindless_images/examples/example_1_1D_read_write.cpp

@@ -9,10 +9,9 @@
 #include <sycl/ext/oneapi/bindless_images.hpp>
 
 int main() {
-  // Set up device, queue, and context
+  // Set up queue
   sycl::device dev;
   sycl::queue q(dev);
-  sycl::context ctxt = q.get_context();
 
   // Initialize input data
   constexpr size_t width = 512;

sycl/test-e2e/bindless_images/examples/example_2_2D_dynamic_read.cpp

@@ -7,10 +7,9 @@
 #include <sycl/ext/oneapi/bindless_images.hpp>
 
 int main() {
-  // Set up device, queue, and context
+  // Set up queue
   sycl::device dev;
   sycl::queue q(dev);
-  sycl::context ctxt = q.get_context();
 
   // declare image data
   size_t numImages = 5;

sycl/test-e2e/bindless_images/examples/example_3_1D_mipmap_anisotropic_filtering_and_levels.cpp

@@ -10,10 +10,9 @@
 #include <sycl/ext/oneapi/bindless_images.hpp>
 
 int main() {
-  // Set up device, queue, and context
+  // Set up queue
   sycl::device dev;
   sycl::queue q(dev);
-  sycl::context ctxt = q.get_context();
 
   // declare image data
   constexpr size_t width = 16;

sycl/test-e2e/bindless_images/examples/example_6_import_memory_and_semaphores.cpp

@@ -13,10 +13,9 @@
 #include <sycl/ext/oneapi/bindless_images.hpp>
 
 int main() {
-  // Set up device, queue, and context
+  // Set up queue
   sycl::device dev;
   sycl::queue q(dev);
-  sycl::context ctxt = q.get_context();
 
   size_t width = 123 /* passed from external API */;
   size_t height = 123 /* passed from external API */;