vk_instance: Always use geometry shaders if available

* Fixes broken lighting in some games

src/video_core/renderer_vulkan/vk_instance.h

@@ -103,13 +103,7 @@ public:
     }
 
     bool UseGeometryShaders() const {
-#ifndef __ANDROID__
         return features.geometryShader;
-#else
-        // Geometry shaders are extremely expensive on tilers to avoid them at all
-        // cost even if it hurts accuracy somewhat. TODO: Make this an option
-        return false;
-#endif
     }
 
     /// Returns true if anisotropic filtering is supported