Revert "Use lto=fat"

This reverts commit d2b18d0011.

.github/workflows/rust.yml

@@ -17,6 +17,7 @@ jobs:
         run: rustup default | grep nightly
       - name: Build
         run: |
+          echo 'lto = "true"' >> Cargo.toml
           env RUSTFLAGS="-C link-arg=-s" cargo build --release
           mkdir encrypted-dns
           mv target/release/encrypted-dns encrypted-dns/

Cargo.toml

@@ -40,4 +40,3 @@ toml = "0.5.3"
 [profile.release]
 codegen-units = 1
 panic = "abort"
-lto = "fat"