Remove redundant -d32 in target specs

Author: adamgemmell

compiler/rustc_target/src/spec/targets/arm_unknown_linux_gnueabihf.rs

@@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
         options: TargetOptions {
             abi: Abi::EabiHf,
             llvm_floatabi: Some(FloatAbi::Hard),
-            features: "+strict-align,+v6,+vfp2,-d32".into(),
+            features: "+strict-align,+v6,+vfp2".into(),
             max_atomic_width: Some(64),
             mcount: "\u{1}__gnu_mcount_nc".into(),
             llvm_mcount_intrinsic: Some("llvm.arm.gnu.eabi.mcount".into()),

compiler/rustc_target/src/spec/targets/arm_unknown_linux_musleabihf.rs

@@ -17,7 +17,7 @@ pub(crate) fn target() -> Target {
             llvm_floatabi: Some(FloatAbi::Hard),
             // Most of these settings are copied from the arm_unknown_linux_gnueabihf
             // target.
-            features: "+strict-align,+v6,+vfp2,-d32".into(),
+            features: "+strict-align,+v6,+vfp2".into(),
             max_atomic_width: Some(64),
             mcount: "\u{1}mcount".into(),
             // FIXME(compiler-team#422): musl targets should be dynamically linked by default.

compiler/rustc_target/src/spec/targets/armv6_unknown_freebsd.rs

@@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
         options: TargetOptions {
             abi: Abi::EabiHf,
             llvm_floatabi: Some(FloatAbi::Hard),
-            features: "+v6,+vfp2,-d32".into(),
+            features: "+v6,+vfp2".into(),
             max_atomic_width: Some(64),
             mcount: "\u{1}__gnu_mcount_nc".into(),
             llvm_mcount_intrinsic: Some("llvm.arm.gnu.eabi.mcount".into()),

compiler/rustc_target/src/spec/targets/armv6_unknown_netbsd_eabihf.rs

@@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
         options: TargetOptions {
             abi: Abi::EabiHf,
             llvm_floatabi: Some(FloatAbi::Hard),
-            features: "+v6,+vfp2,-d32".into(),
+            features: "+v6,+vfp2".into(),
             max_atomic_width: Some(64),
             mcount: "__mcount".into(),
             ..base::netbsd::opts()