Remove HPX Scope Guard as now obsolete

Author: constracktor

include/plssvm/backends/HPX/detail/utility.hpp

@@ -33,34 +33,4 @@ using boost::atomic_ref;
  */
 [[nodiscard]] std::string get_hpx_version();
 
-/**
- * @brief Start the runtime of the HPX backend.
- */
-void start_hpx_runtime();
-
-/**
- * @brief Stop the runtime of the HPX backend.
- */
-void stop_hpx_runtime();
-
-/**
- * @brief Scope Guard that leverages RAII to start and correctly teardown the HPX runtime even in case of exceptions.
- */
-struct scope_guard {
-    /**
-     * @brief Scope Guard constructor that starts the runtime of the HPX backend.
-     */
-    scope_guard() {
-        start_hpx_runtime();
-    }
-
-    /**
-     * @brief Scope Guard destructor that stops the runtime of the HPX backend.
-     */
-    ~scope_guard() {
-        stop_hpx_runtime();
-    }
-};
-}  // namespace plssvm::hpx::detail
-
 #endif  // PLSSVM_BACKENDS_HPX_DETAIL_UTILITY_HPP_

include/plssvm/environment.hpp

@@ -18,8 +18,7 @@
 #include "plssvm/detail/utility.hpp"  // plssvm::detail::contains
 
 #if defined(PLSSVM_HAS_HPX_BACKEND)
-    #include "hpx/runtime.hpp"  // ::hpx::{is_running, is_stopped}
-
+    #include <hpx/runtime.hpp>    // ::hpx::{is_running, is_stopped}
     #include <hpx/execution.hpp>  // ::hpx::post
     #include <hpx/hpx_start.hpp>  // ::hpx::{start, stop, finalize}
 #endif