namespace sts -> namespace ams

namespace sts::ams -> ams::exosphere, ams::.

This is to facilitate future use of ams:: namespace code in
mesosphere, as we'll want to include ams::util, ams::result, ams::svc...

stratosphere/ams_mitm/source/fs_mitm/fs_path_utils.cpp

@@ -261,7 +261,7 @@ Result FsPathUtils::Normalize(char *out, size_t max_out_size, const char *src, s
     /* Assert normalized. */
     bool normalized = false;
     R_ASSERT(FsPathUtils::IsNormalized(&normalized, out));
-    STS_ASSERT(normalized);
+    AMS_ASSERT(normalized);
 
     return ResultSuccess();
 }