remove unused includes

ref:f8c119cf3a796a59ab5be4424e5364ba6a201d40

util/datetime/cputimer.cpp

@@ -9,9 +9,6 @@
 #if defined(_unix_)
     #include <unistd.h>
     #include <sched.h>
-    #include <sys/types.h>
-    #include <sys/resource.h>
-    #include <sys/param.h>
 #elif defined(_win_)
     #include <util/system/winint.h>
 #endif

util/folder/dirut_ut.cpp

@@ -6,7 +6,6 @@
 #include <util/generic/string.h>
 #include <util/memory/tempbuf.h>
 #include <util/stream/file.h>
-#include <util/system/platform.h>
 
 Y_UNIT_TEST_SUITE(TDirutTest) {
     Y_UNIT_TEST(TestRealPath) {

util/generic/ptr_ut.cpp

@@ -6,7 +6,6 @@
 
 #include <util/generic/hash_set.h>
 #include <util/generic/is_in.h>
-#include <util/stream/output.h>
 #include <util/system/thread.h>
 
 class TPointerTest: public TTestBase {

util/generic/store_policy_ut.cpp

@@ -1,7 +1,6 @@
 #include "store_policy.h"
 
 #include <library/cpp/testing/unittest/registar.h>
-#include <util/generic/algorithm.h>
 #include <util/generic/vector.h>
 
 Y_UNIT_TEST_SUITE(StorePolicy) {

util/generic/strbuf.cpp

@@ -1,6 +1,5 @@
 #include "strbuf.h"
 
-#include <util/stream/output.h>
 #include <ostream>
 
 std::ostream& operator<<(std::ostream& os, TStringBuf buf) {

util/generic/string.cpp

@@ -6,7 +6,6 @@
 #include <util/charset/wide.h>
 
 #include <iostream>
-#include <cctype>
 
 alignas(32) const char NULL_STRING_REPR[128] = {0};
 

util/generic/typelist_ut.cpp

@@ -3,7 +3,6 @@
 
 #include "typelist.h"
 #include "vector.h"
-#include "map.h"
 
 class TTypeListTest: public TTestBase {
     UNIT_TEST_SUITE(TTypeListTest);

util/generic/ylimits_ut.cpp

@@ -3,7 +3,6 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/string/cast.h>
 #include <util/system/valgrind.h>
 
 class TLimitTest: public TTestBase {

util/network/address.cpp

@@ -3,7 +3,6 @@
 #include "address.h"
 
 #if defined(_unix_)
-    #include <sys/types.h>
     #include <sys/un.h>
 #endif
 

util/network/init.cpp

@@ -1,13 +1,8 @@
 #include "init.h"
 
-#include <util/system/compat.h>
-#include <util/system/yassert.h>
 #include <util/system/defaults.h>
 #include <util/generic/singleton.h>
 
-#include <cstdio>
-#include <cstdlib>
-
 namespace {
     class TNetworkInit {
     public: