Reverted Makefile for Windows with respect to Qt LUPDATE and LRELEASE binaries (#6951)

Reverted #6929.

Author: omichel

resources/translations/Makefile

@@ -37,13 +37,8 @@ include $(WEBOTS_HOME_PATH)/resources/Makefile.os.include
 WEBOTS_SRC_PATH = $(WEBOTS_HOME_PATH)/src/webots
 
 ifeq ($(OSTYPE),windows)
-ifdef CI
-LUPDATE = lupdate-qt6
-LRELEASE = lrelease-qt6
-else
 LUPDATE = lupdate
 LRELEASE = lrelease
-endif
 else
 QT_BINARIES_PATH = $(WEBOTS_HOME_PATH)/bin/qt