Don't define tryTranslators function if exception are disabled

[VitaliiTrubchaninovUbisoft]

"-Wunused-function -Wall" produces if this function is defined when exceptions are disabled

Description

GitHub Issues

[VitaliiTrubchaninovUbisoft]

appveyor build break is not related to my changes.
CMake Error at C:/Program Files (x86)/CMake/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:146 (message):
Could NOT find PythonInterp: Found unsuitable version "2.7.17", but
required is at least "3" (found C:/Python27/python.exe)
Call Stack (most recent call first):

[codecov]

Codecov Report

Merging #2726 (267f9c1) into devel (4acc518) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            devel    #2726      +/-   ##
==========================================
- Coverage   91.20%   91.19%   -0.01%     
==========================================
  Files         192      192              
  Lines        7843     7843              
==========================================
- Hits         7153     7152       -1     
- Misses        690      691       +1     

[horenmar]

Thanks.