Guile 2: stop suppressing guile deprecated messages

All known deprecations have been dealt with and if new uses
of deprecated methods appear we want know this.

common/cmake_modules/GncAddTest.cmake

@@ -8,7 +8,6 @@ function(get_guile_env)
   set(env "")
   list(APPEND env "GNC_UNINSTALLED=yes")
   list(APPEND env "GNC_BUILDDIR=${CMAKE_BINARY_DIR}")
-  list(APPEND env "GUILE_WARN_DEPRECATED=no")
   if (APPLE)
     list(APPEND env "DYLD_LIBRARY_PATH=${_GNC_MODULE_PATH}")
   endif()

gnucash/environment.in

@@ -51,9 +51,6 @@ PATH={GNC_BIN};{PATH}
 # Tell GnuCash where to look for GnuCash modules
 GNC_MODULE_PATH={GNC_LIB};{GNC_MODULE_PATH}
 
-# Prevent embedded guile from issuing deprecation warnings
-GUILE_WARN_DEPRECATED=no
-
 # Tell Guile where to find GnuCash specific guile modules GUILE_LIBS
 # can be used to override the path to Guile's own modules; likewise,
 # GUILE_COMPILED_LIBS overrides the path to Guile's precompiled

gnucash/generate-gnc-script

@@ -12,9 +12,6 @@ cat > ${TARGET_SCRIPT}.tmp <<EOF
 PATH="${GNC_OVERRIDES_DIR}:\${PATH}"
 export PATH
 
-GUILE_WARN_DEPRECATED="no"
-export GUILE_WARN_DEPRECATED
-
 exec "${TARGET_SCRIPT}" "\$@"
 EOF