rustc_taret: Remove TargetOptions::is_like_android

compiler/rustc_target/src/spec/android_base.rs

@@ -9,7 +9,6 @@ pub fn opts() -> TargetOptions {
         .get_mut(&LinkerFlavor::Gcc)
         .unwrap()
         .push("-Wl,--allow-multiple-definition".to_string());
-    base.is_like_android = true;
     base.dwarf_version = Some(2);
     base.position_independent_executables = true;
     base.has_elf_tls = false;

compiler/rustc_target/src/spec/mod.rs

@@ -819,9 +819,6 @@ pub struct TargetOptions {
     /// library naming convention. Defaults to false.
     pub is_like_windows: bool,
     pub is_like_msvc: bool,
-    /// Whether the target toolchain is like Android's. Only useful for compiling against Android.
-    /// Defaults to false.
-    pub is_like_android: bool,
     /// Whether the target toolchain is like Emscripten's. Only useful for compiling with
     /// Emscripten toolchain.
     /// Defaults to false.
@@ -1029,7 +1026,6 @@ impl Default for TargetOptions {
             is_like_osx: false,
             is_like_solaris: false,
             is_like_windows: false,
-            is_like_android: false,
             is_like_emscripten: false,
             is_like_msvc: false,
             is_like_fuchsia: false,
@@ -1459,7 +1455,6 @@ impl Target {
         key!(is_like_windows, bool);
         key!(is_like_msvc, bool);
         key!(is_like_emscripten, bool);
-        key!(is_like_android, bool);
         key!(is_like_fuchsia, bool);
         key!(dwarf_version, Option<u32>);
         key!(linker_is_gnu, bool);
@@ -1697,7 +1692,6 @@ impl ToJson for Target {
         target_option_val!(is_like_windows);
         target_option_val!(is_like_msvc);
         target_option_val!(is_like_emscripten);
-        target_option_val!(is_like_android);
         target_option_val!(is_like_fuchsia);
         target_option_val!(dwarf_version);
         target_option_val!(linker_is_gnu);