Remove unused imports

tests/extensions/base64ext.nim

@@ -8,7 +8,6 @@
 ## those terms.
 
 import
-  std/[strutils],
   pkg/[stew/results,
     stew/base64,
     chronos,

tests/extensions/hexext.nim

@@ -8,7 +8,6 @@
 ## those terms.
 
 import
-  std/[strutils],
   pkg/[stew/results,
     stew/byteutils,
     chronos,

tests/extensions/testcompression.nim

@@ -8,9 +8,9 @@
 ## those terms.
 
 import std/os
-import pkg/[chronos, stew/byteutils, stew/io2]
+import pkg/[chronos, stew/io2]
 import pkg/asynctest/unittest2
-import ../../websock/websock, ../helpers
+import ../../websock/websock
 import ../../websock/extensions/compression/deflate
 
 const

tests/helpers.nim

@@ -14,8 +14,7 @@ import pkg/[
   chronos,
   chronos/streams/tlsstream,
   httputils,
-  chronicles,
-  stew/byteutils]
+  chronicles]
 
 import ../websock/websock
 import ./keys

tests/testwebsockets.nim

@@ -7,7 +7,7 @@
 ## This file may not be copied, modified, or distributed except according to
 ## those terms.
 
-import std/[strutils, random]
+import std/strutils
 import pkg/[
   httputils,
   chronos,

websock/extensions.nim

@@ -7,7 +7,6 @@
 ## This file may not be copied, modified, or distributed except according to
 ## those terms.
 
-import std/tables
 import ./extensions/extutils
 # import ./extensions/compression/compression
 

websock/http.nim

@@ -9,7 +9,6 @@
 
 import std/uri
 import pkg/[
-  chronos,
   chronos/apps/http/httptable,
   chronos/streams/tlsstream,
   httputils]

websock/websock.nim

@@ -13,8 +13,7 @@ import std/[tables,
             strutils,
             strformat,
             sequtils,
-            uri,
-            parseutils]
+            uri]
 
 import pkg/[chronos,
             chronos/apps/http/httptable,