Revert "Split the x86 host toolchain into glibc and musl variants"

This reverts commit 4fb4ef22424162d73bb0473ff53dc557b3fec79f.

Reason for revert: crossed with aosp/1775072

Change-Id: Ied922850b810d82627ba4f9ee42f672cfe286c91
diff --git a/cc/binary.go b/cc/binary.go
index 763d2b9..c6d61ab 100644
--- a/cc/binary.go
+++ b/cc/binary.go
@@ -335,7 +335,7 @@
 
 	if flags.DynamicLinker != "" {
 		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-dynamic-linker,"+flags.DynamicLinker)
-	} else if (ctx.toolchain().Bionic() || ctx.toolchain().Musl()) && !binary.static() {
+	} else if ctx.toolchain().Bionic() && !binary.static() {
 		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--no-dynamic-linker")
 	}