shader_recompiler: Decrease indirect cbuf limit to match hardware

src/shader_recompiler/shader_info.h

@@ -105,7 +105,7 @@ struct ImageDescriptor {
 using ImageDescriptors = boost::container::small_vector<ImageDescriptor, 4>;
 
 struct Info {
-    static constexpr size_t MAX_INDIRECT_CBUFS{15};
+    static constexpr size_t MAX_INDIRECT_CBUFS{14};
     static constexpr size_t MAX_CBUFS{18};
     static constexpr size_t MAX_SSBOS{32};