build: bump CMake minimum requirement and drop workaround

CMake 3.19.0 fixed the compiler invocation requiring the local
workaround. Match the runtimes CMake version requirement and drop the
workaround.

Author: compnerd

CMakeLists.txt

@@ -1,24 +1,14 @@
 
-cmake_minimum_required(VERSION 3.15.1)
+cmake_minimum_required(VERSION 3.26...3.29)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
 
-# NOTE(compnerd) enable CMP0091 - select MSVC runtime based on
-# CMAKE_MSVC_RUNTIME_LIBRARY.  Requires CMake 3.15 or newer.
-if(POLICY CMP0091)
-  cmake_policy(SET CMP0091 NEW)
-endif()
-
 project(dispatch
   VERSION 1.3
   LANGUAGES C CXX)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE YES)
 
-if("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
-  include(ClangClCompileRules)
-endif()
-
 if(CMAKE_SYSTEM_NAME STREQUAL Windows)
   include(CheckCSourceCompiles)
   include(CheckSymbolExists)