Remove accidental re-addition of factored-out cruft.

This is in libc_defaults now.

Test: treehugger
Change-Id: I3b10c5ca4274aacb75be7ea0bedafb727881444b
diff --git a/libc/Android.bp b/libc/Android.bp
index 1fd8847..174ecd9 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -641,7 +641,6 @@
 // automatically included.
 cc_library_static {
     defaults: ["libc_defaults"],
-    tidy_disabled_srcs: ["upstream-*/**/*.c"],
     srcs: [
         // These two depend on getentropy, which isn't in libc_ndk.a.
         "upstream-openbsd/lib/libc/crypt/arc4random.c",