Revert "Skip Clang's integrated-as for hand-coded assembly"

This reverts commit 8d414dd2b1d9503f6d4b3d9310796be50a824ede.

Reverting this since https://android-review.googlesource.com/#/c/244800/ adds -fno-integrated-as globally.

Change-Id: I29f53a385c16f44ead5dc744b0f2dd18a4af1731
diff --git a/libc/Android.bp b/libc/Android.bp
index c7201cb..ba62592 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1082,8 +1082,6 @@
                     "arch-mips/string/mips_strlen.c",
                 ],
             },
-            // http://b/29771478 - disable integrated-as for Mips
-            asflags: ["-fno-integrated-as"],
         },
         mips64: {
             srcs: [
@@ -1460,8 +1458,6 @@
         },
         mips: {
             srcs: ["arch-mips/syscalls/**/*.S"],
-            // http://b/29771478 - disable integrated-as for Mips
-            asflags: ["-fno-integrated-as"],
         },
         mips64: {
             srcs: ["arch-mips64/syscalls/**/*.S"],