link: remove unused if check

The enclosing check already ensured we're on an is_like_solaris path, so
this inner `if` will always be false. Inlined the local variable into
its only use, but preserved the comment at the top of the block because
it seems like it's still relevant.

Author: durin42

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -1105,14 +1105,10 @@ fn link_natively(
         // Many illumos systems will have both the native 'strip' utility and
         // the GNU one. Use the native version explicitly and do not rely on
         // what's in the path.
-        //
-        // If cross-compiling and there is not a native version, then use
-        // `llvm-strip` and hope.
-        let stripcmd = if !sess.host.is_like_solaris { "rust-objcopy" } else { "/usr/bin/strip" };
         match strip {
             // Always preserve the symbol table (-x).
             Strip::Debuginfo => {
-                strip_symbols_with_external_utility(sess, stripcmd, out_filename, Some("-x"))
+                strip_symbols_with_external_utility(sess, "/usr/bin/strip", out_filename, Some("-x"))
             }
             // Strip::Symbols is handled via the --strip-all linker option.
             Strip::Symbols => {}