Backed out changeset ac23ad5ef0c1 (bug 1542862) as requested by glandium for being obsolete after bug 1536486.

build/moz.configure/rust.configure

@@ -100,9 +100,9 @@ def cargo_info(cargo):
     )
 
 
-@depends(rustc_info, cargo_info, build_project, host, target)
+@depends(rustc_info, cargo_info, build_project)
 @imports(_from='textwrap', _import='dedent')
-def rust_compiler(rustc_info, cargo_info, build_project, host, target):
+def rust_compiler(rustc_info, cargo_info, build_project):
     if not rustc_info:
         die(dedent('''\
         Rust compiler not found.
@@ -135,14 +135,6 @@ def rust_compiler(rustc_info, cargo_info, build_project, host, target):
         installer is available from https://rustup.rs/
         '''.format(version, rustc_min_version)))
 
-    if host.os == 'OSX' and target.os == 'Android' and version >= '1.33.0':
-        die(dedent('''\
-        Cross-Compiling Android on OSX with Rust 1.33 is currently broken, see bug 1536486.
-
-        As a workaround: invoke 'rustup override set 1.32.0' in your source directory, then
-        rerun './mach bootstrap' to pick up the required toolchains.
-        '''))
-
     if not cargo_info:
         die(dedent('''\
         Cargo package manager not found.