Remove Wno-deprecated-dynamic-exception-spec

b/366180429 is fixed so this flag is not needed anymore

Test: m && mmma art/libnativeloader
Change-Id: I270f6b9f584fee9496458513db2ee28288d2cd67
diff --git a/cc/config/global.go b/cc/config/global.go
index d969e97..a309dc0 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -290,8 +290,6 @@
 		// New warnings to be fixed after clang-r468909
 		"-Wno-error=deprecated-builtins", // http://b/241601211
 		"-Wno-error=deprecated",          // in external/googletest/googletest
-		// Disabling until the warning is fixed in libc++abi header files b/366180429
-		"-Wno-deprecated-dynamic-exception-spec",
 		// New warnings to be fixed after clang-r522817
 		"-Wno-error=invalid-offsetof",
 		"-Wno-error=thread-safety-reference-return",