Remove ClusterDescriptor path from constructor (#15554)

### Ticket
Related to #13948

### Problem description
Related to UMD change tenstorrent/tt-umd#333

### What's changed
- Remove cluster descriptor path from Cluster's constructor.

### Checklist
- [x] Post commit CI passes:
https://github.com/tenstorrent/tt-metal/actions/runs/12081012971
- [x] Blackhole Post commit:
https://github.com/tenstorrent/tt-metal/actions/runs/12081017393
- [ ] Model regression CI testing passes (if applicable)
- [ ] Device performance regression CI testing passes (if applicable)
- [ ] New/Existing tests provide coverage for changes

tt_metal/llrt/tt_cluster.cpp

@@ -122,16 +122,12 @@ BoardType Cluster::get_board_type(chip_id_t chip_id) const {
 }
 
 void Cluster::generate_cluster_descriptor() {
-    this->cluster_desc_path_ = (this->target_type_ == TargetDevice::Silicon)
-                                   ? tt_ClusterDescriptor::get_cluster_descriptor_file_path()
-                                   : "";
-
     // Cluster descriptor yaml not available for Blackhole bring up
     if (this->target_type_ == TargetDevice::Simulator) {
         // Passing simulator reported physical devices as logical devices.
         this->cluster_desc_ = tt_ClusterDescriptor::create_mock_cluster(tt_SimulationDevice::detect_available_device_ids(), this->arch_);
     } else {
-        this->cluster_desc_ = tt_ClusterDescriptor::create_from_yaml(this->cluster_desc_path_);
+        this->cluster_desc_ = tt_ClusterDescriptor::create_from_yaml(tt_ClusterDescriptor::get_cluster_descriptor_file_path());
         for (const auto &chip_id : this->cluster_desc_->get_all_chips()) {
             if (this->cluster_desc_->get_board_type(chip_id) == BoardType::GALAXY) {
                 this->is_tg_cluster_ = true;
@@ -232,7 +228,6 @@ void Cluster::open_driver(const bool &skip_driver_allocs) {
         const bool clean_system_resources = true;
         device_driver = std::make_unique<tt::umd::Cluster>(
             sdesc_path,
-            this->cluster_desc_path_,
             all_chips_set,
             num_host_mem_ch_per_mmio_device,
             skip_driver_allocs,

tt_metal/llrt/tt_cluster.hpp

@@ -251,7 +251,6 @@ class Cluster {
     // Need to hold reference to cluster descriptor to detect total number of devices available in cluster
     // UMD static APIs `detect_available_device_ids` and `detect_number_of_chips` only returns number of MMIO mapped
     // devices
-    std::string cluster_desc_path_;
     std::unique_ptr<tt_ClusterDescriptor> cluster_desc_;
     // There is an entry for every device that can be targeted (MMIO and remote)
     std::unordered_map<chip_id_t, metal_SocDescriptor> sdesc_per_chip_;