[DOCS] remove mentions of myriad throughout docs (#15690)

* remove ov::device::thermal

ov::device::thermal was only supported on myriad

* additional cleanup

* remove myriad from AUTO and MULTI

auto n multi n hetero

+ remove mentions of listing myriad devices

* two final fixes

* Update ov_auto.py

---------

Co-authored-by: Ilya Churaev <ilya.churaev@intel.com>

docs/snippets/AUTO5.cpp

@@ -2,17 +2,17 @@
 
 int main() {
 ov::AnyMap cpu_config = {};
-ov::AnyMap myriad_config = {};
+ov::AnyMap gpu_config = {};
 //! [part5]
 ov::Core core;
 
-// Read a network in IR, PaddlePaddle, or ONNX format:
+// Read a network in IR, TensorFlow, PaddlePaddle, or ONNX format:
 std::shared_ptr<ov::Model> model = core.read_model("sample.xml");
 
-// Configure  CPU and the MYRIAD devices when compiled model
+// Configure the CPU and the GPU devices when compiling model
 ov::CompiledModel compiled_model = core.compile_model(model, "AUTO",
     ov::device::properties("CPU", cpu_config),
-    ov::device::properties("MYRIAD", myriad_config));
+    ov::device::properties("GPU", gpu_config));
 //! [part5]
     return 0;
 }