Localization: Updated internal dictionaries.

+ Community dictionaries are merged with newest POT
+ Unused macro _CHB(s) is deleted from I18N.hpp

doc/Localization_guide.md

@@ -36,7 +36,7 @@ Each string resource in PrusaSlicer available for translation needs to be explic
 ```C++
 auto msg = L("This message to be localized")
 ```
-To get translated text use one of needed macro/function (`_(s)` or `_CHB(s)` ).
+To get translated text use needed macro/function (`_(s)`).
 If you add new file resource, add it to the list of files containing macro `L()`
 
 ### Scenario 4. How do I use GNUgettext to localize my own application taking PrusaSlicer as an example

src/slic3r/GUI/I18N.hpp

@@ -22,12 +22,6 @@
 #define L_CONTEXT(s, context) s
 #endif /* L */
 
-#ifndef _CHB
-//! macro used to localization, return wxScopedCharBuffer
-//! With wxConvUTF8 explicitly specify that the source string is already in UTF-8 encoding
-#define _CHB(s) wxGetTranslation(wxString(s, wxConvUTF8)).utf8_str()
-#endif /* _CHB */
-
 #ifndef slic3r_GUI_I18N_hpp_
 #define slic3r_GUI_I18N_hpp_