simplify patchfile

Author: TheLartians

examples/sol2/fix_for_clang.patch

@@ -1,5 +1,3 @@
-Common subdirectories: a/.bcr and b/.bcr
-Common subdirectories: a/.github and b/.github
 diff -u a/include/sol/function_types_stateless.hpp b/include/types/function_types_stateless.hpp
 --- a/include/sol/function_types_stateless.hpp
 +++ b/include/sol/function_types_stateless.hpp
@@ -17,4 +15,4 @@ diff -u a/include/sol/function_types_stateless.hpp b/include/types/function_type
 +		{
  			int nr;
  			if constexpr (no_trampoline) {
- 				nr = real_call(L);
+ 				nr = real_call(L);