message: Remove outdated troubleshooting section
  The nightly version is pinned since recently
diff: @@ -36,9 +36,3 @@ $ rustc -Cpanic=abort -Zcodegen-backend=$cg_clif_dir/target/release/librustc_cod
  * Checked binops ([some missing instructions in cranelift](https://github.com/CraneStation/cranelift/issues/460))
  * Inline assembly ([no cranelift support](https://github.com/CraneStation/cranelift/issues/444), not coming soon)
  * SIMD ([tracked here](https://github.com/bjorn3/rustc_codegen_cranelift/issues/171), some basic things work)
  -
  -## Troubleshooting
  -
  -### Can't compile
  -
  -Try updating your nightly compiler. You can try to use an nightly a day or two older if updating rustc doesn't fix it. If you still can't compile it, please fill an issue.
  