chore: merge issues fixed

src/CMakeLists.txt

@@ -28,9 +28,6 @@ set(projectPrefix UNITS_)
 option(${projectPrefix}AS_SYSTEM_HEADERS "Exports library as system headers" OFF)
 message(STATUS "${projectPrefix}AS_SYSTEM_HEADERS: ${${projectPrefix}AS_SYSTEM_HEADERS}")
 
-option(${projectPrefix}BUILD_LA "Build code depending on the linear algebra library" ON)
-message(STATUS "${projectPrefix}BUILD_LA: ${${projectPrefix}BUILD_LA}")
-
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 include(AddUnitsModule)

src/core/include/mp-units/customization_points.h

@@ -86,10 +86,6 @@ inline constexpr bool is_vector = false;
 template<typename Rep>
 inline constexpr bool is_tensor = false;
 
-template<typename T>
-  requires requires { typename T::element_type; }
-inline constexpr bool treat_as_floating_point<T> = treat_as_floating_point<typename T::element_type>;
-
 /**
  * @brief A type trait that defines zero, one, min, and max for a representation type
  *