Revert "fix"

This reverts commit d16ecb1.

Makefile.posix

@@ -29,9 +29,9 @@ jou_bootstrap: bootstrap.sh
 jou: jou_bootstrap config.jou $(wildcard compiler/*.jou compiler/*/*.jou)
 	rm -rf compiler/jou_compiled && ./jou_bootstrap -o jou --linker-flags "$(shell $(LLVM_CONFIG) --ldflags --libs)" compiler/main.jou
 
-# Does not delete tmp/bootstrap_cache because bootstrapping is slow.
+# Does not delete jou_bootstrap executable because bootstrapping is slow.
+# Bootstrap folder is deleted without -v (verbose) because it contains many files.
 .PHONY: clean
 clean:
-	bash -O extglob -c "rm -rvf tmp/!(bootstrap_cache)"
-	rm -vf *.exe config.jou jou jou_bootstrap
+	rm -rf tmp/bootstrap_cache && rm -rvf jou jou.exe tmp config.jou
 	find . -name jou_compiled -print -exec rm -rf '{}' +

Makefile.windows

@@ -12,9 +12,9 @@ jou_bootstrap.exe: bootstrap.sh
 jou.exe: jou_bootstrap.exe config.jou $(wildcard compiler/*.jou compiler/*/*.jou)
 	rm -rf compiler/jou_compiled && ./jou_bootstrap.exe -o jou.exe --linker-flags "$(wildcard libs/lib*.a)" compiler/main.jou
 
-# Does not delete tmp/bootstrap_cache because bootstrapping is slow.
+# Does not delete jou_bootstrap executable because bootstrapping is slow.
+# Bootstrap folder is deleted without -v (verbose) because it contains many files.
 .PHONY: clean
 clean:
-	bash -O extglob -c "rm -rvf tmp/!(bootstrap_cache)"
-	rm -vf *.exe config.jou
-	find . -name jou_compiled -print -exec rm -rf '{}' +
+	rm -rf tmp/bootstrap_cache && rm -rvf jou.exe tmp config.jou
+	find -name jou_compiled -print -exec rm -rf '{}' +