remove "SAFE" setting

docs/ChangeLog

@@ -2,6 +2,7 @@ New in 2013.01
 + sink context; for-loops are now lazy by default
 + first mentioning a variable from outer scope and then redeclaring it
   in the same scope (my $a; { $a; my $a }) is now an error.
++ the long-deprecated "SAFE" setting has been removed
 
 New in 2012.12
 + ~/.perl6/lib is gone from the default include path

tools/build/Makefile.in

@@ -85,9 +85,6 @@ SETTING_PBC   = CORE.setting.pbc
 R_SETTING_SRC = src/RESTRICTED.setting
 R_SETTING_PIR = src/gen/RESTRICTED.setting.pir
 R_SETTING_PBC = RESTRICTED.setting.pbc
-S_SETTING_SRC = src/SAFE.setting
-S_SETTING_PIR = src/gen/SAFE.setting.pir
-S_SETTING_PBC = SAFE.setting.pbc
 GROUP         = perl6_group
 OPS           = perl6_ops
 DYNEXT_DYNPMC = $(DYNEXT_DIR)/$(GROUP)$(LOAD_EXT)
@@ -251,7 +248,6 @@ CLEANUPS = \
   $(PERL6_EXE) \
   $(SETTING_PBC) \
   $(R_SETTING_PBC) \
-  $(S_SETTING_PBC) \
   $(PARROT_DLL_COPY) \
   perl6.c \
   perl6$(O) \
@@ -288,7 +284,7 @@ HARNESS_WITH_FUDGE = $(PERL) t/harness --fudge --keep-exit-code --icu=$(HAS_ICU)
 STAGESTATS = @stagestats@
 
 # the default target, TODO: make libraries in 'lib' a variable.
-all: check-versions $(PERL6_EXE) $(SETTING_PBC) $(R_SETTING_PBC) $(S_SETTING_PBC) lib/lib.pir lib/Test.pir lib/Pod/To/Text.pir
+all: check-versions $(PERL6_EXE) $(SETTING_PBC) $(R_SETTING_PBC) lib/lib.pir lib/Test.pir lib/Pod/To/Text.pir
 
 # the install target
 install: all
@@ -308,7 +304,6 @@ install: all
 	$(CP)     $(PERL6_PBC)        $(DESTDIR)$(PERL6_LANG_DIR)
 	$(CP)     $(SETTING_PBC)      $(DESTDIR)$(PERL6_LANG_DIR)/lib
 	$(CP)     $(R_SETTING_PBC)    $(DESTDIR)$(PERL6_LANG_DIR)/lib
-	$(CP)     $(S_SETTING_PBC)    $(DESTDIR)$(PERL6_LANG_DIR)/lib
 	$(CP)     lib/Test.pm         $(DESTDIR)$(PERL6_LANG_DIR)/lib
 	$(CP)     lib/Test.pir        $(DESTDIR)$(PERL6_LANG_DIR)/lib
 	$(CP)     lib/lib.pm6         $(DESTDIR)$(PERL6_LANG_DIR)/lib
@@ -329,7 +324,7 @@ install: all
 	-$(POD2MAN) docs/running.pod --name=perl6 > $(DESTDIR)$(MANDIR)/man1/perl6.1
 	-$(POD2MAN) docs/running.pod --name=rakudo > $(DESTDIR)$(MANDIR)/man1/rakudo.1
 
-xmas: $(PERL6_EXE) $(SETTING_PBC) $(R_SETTING_PBC) $(S_SETTING_PBC)
+xmas: $(PERL6_EXE) $(SETTING_PBC) $(R_SETTING_PBC)
 
 ##  targets for building a standalone perl6 executable.
 $(PERL6_EXE): $(PERL6_PBC) $(PARROT_DLL_COPY)
@@ -410,11 +405,6 @@ $(SETTING_PBC): $(PERL6_B_PBC) $(PERL6_EXE) $(CORE_SOURCES)
 $(R_SETTING_PBC): $(PERL6_B_PBC) $(PERL6_EXE) $(SETTING_PBC) $(R_SETTING_SRC)
 	./$(PERL6_EXE) --target=pir $(STAGESTATS) --output=$(R_SETTING_PIR) $(R_SETTING_SRC)
 	$(PARROT) $(PARROT_ARGS) -o $(R_SETTING_PBC) $(R_SETTING_PIR)
-
-$(S_SETTING_PBC): $(PERL6_B_PBC) $(PERL6_EXE) $(SETTING_PBC) $(S_SETTING_SRC)
-	./$(PERL6_EXE) --target=pir $(STAGESTATS) --output=$(S_SETTING_PIR) $(S_SETTING_SRC)
-	$(PARROT) $(PARROT_ARGS) -o $(S_SETTING_PBC) $(S_SETTING_PIR)
-
 
 ##  testing targets
 lib/Test.pir: lib/Test.pm $(PERL6_EXE) $(SETTING_PBC)