commit f0c7464: Revert "[Minor] fix lower transformation for utf symbols"

[Pavel Podkorytov]

Author: Pavel Podkorytov
Date: 2022-05-21 15:53:00 +0500
URL: https://github.com/rspamd/rspamd/commit/f0c746420bb4e979800bdc11ec6d8d4e6ef10c06

Revert "[Minor] fix lower transformation for utf symbols"
This reverts commit fbb7db65a5cf50dc642550688407e724d56ebe34.

---
 lualib/lua_selectors/transforms.lua | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lualib/lua_selectors/transforms.lua b/lualib/lua_selectors/transforms.lua
index aed5b246d..28ae2c315 100644
--- a/lualib/lua_selectors/transforms.lua
+++ b/lualib/lua_selectors/transforms.lua
@@ -17,7 +17,6 @@ limitations under the License.
 local fun = require 'fun'
 local lua_util = require "lua_util"
 local rspamd_util = require "rspamd_util"
-local rspamd_text = require "rspamd_text"
 local ts = require("tableshape").types
 local logger = require 'rspamd_logger'
 local common = require "lua_selectors/common"
@@ -37,7 +36,7 @@ local transform_function = {
     },
     ['map_type'] = 'string',
     ['process'] = function(inp, _)
-      return rspamd_text.fromstring(inp):lower(true),'string'
+      return inp:lower(),'string'
     end,
     ['description'] = 'Returns the lowercased string',
   },