Remove Nikita from OWNERS files.

components/OWNERS

Index: components/OWNERS
diff --git a/components/OWNERS b/components/OWNERS
index 6b850290553a171d8e93d0b44dab91430145a2b0..18d866cd3fa8bd1b69a0adf5158d3e83eec3d8af 100644
--- a/components/OWNERS
+++ b/components/OWNERS
@@ -158,11 +158,9 @@ per-file keyed_service.gypi=phajdan.jr@chromium.org
 per-file leveldb_proto*=mathp@chromium.org
 per-file leveldb_proto*=nyquist@chromium.org
 
+per-file login*=achuith@chromium.org
 per-file login*=alemate@chromium.org
-per-file login*=antrim@chromium.org
 per-file login*=dzhioev@chromium.org
-per-file login*=nkostylev@chromium.org
-per-file login*=achuith@chromium.org
 
 per-file memory_pressure*=chrisha@chromium.org
 per-file memory_pressure*=shrike@chromium.org
@@ -277,9 +275,9 @@ per-file security_interstitials*=felt@chromium.org
 per-file security_interstitials*=meacer@chromium.org
 per-file security_interstitials*=palmer@chromium.org
 
-per-file session_manager.gypi=antrim@chromium.org
+per-file session_manager.gypi=achuith@chromium.org
+per-file session_manager.gypi=alemate@chromium.org
 per-file session_manager.gypi=dzhioev@chromium.org
-per-file session_manager.gypi=nkostylev@chromium.org
 
 per-file sessions.gypi=marja@chromium.org
 per-file sessions.gypi=sky@chromium.org
@@ -326,9 +324,9 @@ per-file undo.gypi=tom.cassiotis@gmail.com
 per-file undo_strings.grdp=sky@chromium.org
 per-file undo_strings.grdp=tom.cassiotis@gmail.com
 
-per-file user_manager.gypi=antrim@chromium.org
+per-file user_manager.gypi=achuith@chromium.org
+per-file user_manager.gypi=alemate@chromium.org
 per-file user_manager.gypi=dzhioev@chromium.org
-per-file user_manager.gypi=nkostylev@chromium.org
 
 per-file url_formatter.gypi=pkasting@chromium.org
 
@@ -341,10 +339,10 @@ per-file variations.gypi=asvitkine@chromium.org
 per-file variations.gypi=jwd@chromium.org
 per-file variations.gypi=stevet@chromium.org
 
+per-file version_ui.gypi=achuith@chromium.org
 per-file version_ui.gypi=bauerb@chromium.org
 per-file version_ui.gypi=dbeam@chromium.org
 per-file version_ui.gypi=estade@chromium.org
-per-file version_ui.gypi=nkostylev@chromium.org
 per-file version_ui.gypi=pam@chromium.org
 per-file version_ui.gypi=xiyuan@chromium.org