Don’t specify linker in config

No longer needed.

Also formatting.

Change-Id: I61a6fbeec41c6d03e729ab3faff6644b0b788349
Testing: manual
diff --git a/src/lib.rs b/src/lib.rs
index a823b48..5e86567 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,8 +18,8 @@
 use crate::cross::{pkg_config_path, run_configure, run_pkg_config};
 use crate::device::{enable_networking, netaddr, netls, scp_to_device, ssh, start_emulator,
                     stop_emulator, StartEmulatorOptions};
-use crate::sdk::{cargo_out_dir, cargo_path, clang_archiver_path, clang_resource_dir, clang_c_compiler_path,
-                 clang_cpp_compiler_path, clang_linker_path, clang_ranlib_path, rustc_path,
+use crate::sdk::{cargo_out_dir, cargo_path, clang_archiver_path, clang_c_compiler_path,
+                 clang_cpp_compiler_path, clang_ranlib_path, clang_resource_dir, rustc_path,
                  rustdoc_path, shared_libraries_path, sysroot_path, zircon_build_path};
 use crate::utils::strip_binary;
 
@@ -466,19 +466,22 @@
     let target_triple = get_target_triple(target_options);
     let sysroot_lib_pathbuf = sysroot_as_path.join("lib");
     let sysroot_lib = sysroot_lib_pathbuf.to_str().unwrap();
-    let clang_resource_lib =
-        clang_resource_dir(&target_triple)?
-            .join(&target_triple)
-            .join("lib");
+    let clang_resource_lib = clang_resource_dir(&target_triple)?
+        .join(&target_triple)
+        .join("lib");
 
     let mut rust_flags = vec![
-        "-L".to_string(), sysroot_lib.to_string(),
+        "-L".to_string(),
+        sysroot_lib.to_string(),
         "-Clink-arg=--pack-dyn-relocs=relr".to_string(),
         "-Clink-arg=--threads".to_string(),
         format!("-Clink-arg=-L{}", sysroot_lib),
         format!("-Clink-arg=-L{}", clang_resource_lib.to_str().unwrap()),
         format!("-Clink-arg=--sysroot={}", sysroot_as_path.to_str().unwrap()),
-        format!("-Lnative={}", shared_libraries_path(target_options)?.to_str().unwrap()),
+        format!(
+            "-Lnative={}",
+            shared_libraries_path(target_options)?.to_str().unwrap()
+        ),
     ];
 
     if get_triple_cpu(target_options) == "aarch64" {
@@ -508,11 +511,9 @@
         fs::canonicalize(std::env::current_exe()?)?
     };
 
-    let mut runner_args = vec![
-        fargo_path
-            .to_str()
-            .ok_or_else(|| err_msg("unable to convert path to utf8 encoding"))?,
-    ];
+    let mut runner_args = vec![fargo_path
+        .to_str()
+        .ok_or_else(|| err_msg("unable to convert path to utf8 encoding"))?];
 
     if options.verbose {
         runner_args.push("-v");
@@ -719,11 +720,6 @@
     )?;
     writeln!(
         config,
-        "linker = \"{}\"",
-        clang_linker_path()?.to_str().unwrap()
-    )?;
-    writeln!(
-        config,
         "runner = \"{}\"",
         make_fargo_command(None, options, true, target_options, None)?
     )?;
diff --git a/src/sdk.rs b/src/sdk.rs
index 110dbea..46c6ac6 100644
--- a/src/sdk.rs
+++ b/src/sdk.rs
@@ -187,10 +187,6 @@
     Ok(buildtools_path()?.join("clang"))
 }
 
-pub fn clang_linker_path() -> Result<PathBuf, Error> {
-    Ok(clang_base_path()?.join("bin").join("clang"))
-}
-
 pub fn clang_c_compiler_path() -> Result<PathBuf, Error> {
     Ok(clang_base_path()?.join("bin").join("clang"))
 }
@@ -217,12 +213,14 @@
         .context("Running `clang` to get resource dir")?;
 
     if !output.status.success() {
-        bail!("Failed to get `clang` resource dir: {}",
-              String::from_utf8_lossy(&output.stderr));
+        bail!(
+            "Failed to get `clang` resource dir: {}",
+            String::from_utf8_lossy(&output.stderr)
+        );
     }
 
-    let path_string = String::from_utf8(output.stdout)
-        .context("Invalid UTF8 in `clang` resource dir")?;
+    let path_string =
+        String::from_utf8(output.stdout).context("Invalid UTF8 in `clang` resource dir")?;
 
     Ok(PathBuf::from(path_string.trim()))
 }