Remove unused headers

src/catch2/internal/catch_enforce.hpp

@@ -12,8 +12,6 @@
 #include <catch2/internal/catch_compiler_capabilities.hpp>
 #include <catch2/internal/catch_reusable_string_stream.hpp>
 
-#include <exception>
-
 namespace Catch {
 #if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
     template <typename Ex>

src/catch2/internal/catch_exception_translator_registry.hpp

@@ -11,7 +11,6 @@
 #include <catch2/interfaces/catch_interfaces_exception.hpp>
 #include <catch2/internal/catch_unique_ptr.hpp>
 
-#include <vector>
 #include <string>
 
 namespace Catch {

src/catch2/internal/catch_is_permutation.hpp

@@ -8,7 +8,6 @@
 #ifndef CATCH_IS_PERMUTATION_HPP_INCLUDED
 #define CATCH_IS_PERMUTATION_HPP_INCLUDED
 
-#include <algorithm>
 #include <iterator>
 
 namespace Catch {

src/catch2/internal/catch_istream.cpp

@@ -14,8 +14,6 @@
 
 #include <cstdio>
 #include <fstream>
-#include <sstream>
-#include <vector>
 
 namespace Catch {
 

src/catch2/internal/catch_sharding.hpp

@@ -9,7 +9,6 @@
 #define CATCH_SHARDING_HPP_INCLUDED
 
 #include <cassert>
-#include <cmath>
 #include <algorithm>
 
 namespace Catch {

src/catch2/internal/catch_stringref.cpp

@@ -10,7 +10,6 @@
 #include <algorithm>
 #include <ostream>
 #include <cstring>
-#include <cstdint>
 
 namespace Catch {
     StringRef::StringRef( char const* rawChars ) noexcept