Revert "Add workaround so rebar2 can use Elixir 1.12.0"

This reverts commit 937e1c2.

Makefile.in

@@ -130,7 +130,6 @@ ifeq "$(IS_REBAR)" "3"
  EBINDIR=$(DEPSDIR)/ejabberd/ebin
  REBARREL=$(REBAR) as prod tar
  REBARDEV=REBAR_PROFILE=dev $(REBAR) release
- ELIXIR_WARNING="\033[32m===>\033[00m If you get \033[1;91mDependency failure: source for elixir...\033[00m, please run \033[4;37mmake\033[00m again"
 else
  SKIPDEPS=skip_deps=true
  LISTDEPS=-q list-deps
@@ -143,23 +142,12 @@ else
  EBINDIR=ebin
  REBARREL=$(REBAR) generate
  REBARDEV=
- ELIXIR_WARNING="\033[32m===>\033[00m If you get \033[1;91mERROR: Dependency dir .../elixir failed...\033[00m, please run \033[4;37mmake\033[00m again"
 endif
 endif
 
 all: deps src
 
-deps: elixir-rebar $(DEPSDIR)/.got
-
-elixir-rebar:
- @[ @elixir@ = true ] \
- && ( [ ! -d $(DEPSDIR)/elixir/ ] \
- && echo $(ELIXIR_WARNING) \
- || ( [ ! -f $(DEPSDIR)/elixir/rebar.config ] \
- && { mkdir $(DEPSDIR)/elixir/src ; \
- cp lib/elixir.app.src $(DEPSDIR)/elixir/src/ ; \
- cp lib/rebar.config $(DEPSDIR)/elixir/ ; } \
- || true ) ) || true
+deps: $(DEPSDIR)/.got
 
 $(DEPSDIR)/.got:
  rm -rf $(DEPSDIR)/.got

rebar.config

@@ -24,7 +24,7 @@
  {if_var_true, tools,
  {ejabberd_po, ".*", {git, "https://github.com/processone/ejabberd-po", {branch, "main"}}}},
  {if_var_true, elixir,
- {elixir, ".*", {git, "https://github.com/elixir-lang/elixir", {tag, "v1.12.0"}}}},
+ {elixir, ".*", {git, "https://github.com/elixir-lang/elixir", {tag, "v1.4.4"}}}},
  {if_var_true, pam,
  {epam, ".*", {git, "https://github.com/processone/epam", {tag, "1.0.12"}}}},
  {if_var_true, redis,