fix: cmake-format and clang-format compliance

- Remove stray blank line in tests/unit/CMakeLists.txt that failed
  cmake-format --check.
- Sort includes in hpx_main.hpp alphabetically
  (hpx/config/static_linker_check.hpp before hpx/wrap_main.hpp)
  to satisfy clang-format.

Refs: #7070
Signed-off-by: shivansh023023 <singhshivansh023@gmail.com>

Author: Hackathon User

libs/core/include_local/tests/unit/CMakeLists.txt

@@ -6,7 +6,6 @@
 
 set(tests local_header)
 
-
 foreach(test ${tests})
   set(sources ${test}.cpp)
 

wrap/include/hpx/hpx_main.hpp

@@ -7,8 +7,8 @@
 
 #pragma once
 
-#include <hpx/wrap_main.hpp>
 #include <hpx/config/static_linker_check.hpp>
+#include <hpx/wrap_main.hpp>
 
 #if defined(HPX_HAVE_RUN_MAIN_EVERYWHERE)