build: Use DevSim from a VulkanTools build in CI

- Change Travis-CI to build VulkanTools and use the resulting
  DevSim binary instead of the one checked into the repo.
- Delete the DevSim binary and JSON file from layers/linux.
- Remove CMake rules related to DevSim binary.

2 files changed, 0 insertions, 11 deletions

diff --git a/layers/linux/VkLayer_device_simulation.json b/layers/linux/VkLayer_device_simulation.json
deleted file mode 100644
index 0cf0fdd5..00000000
--- a/layers/linux/VkLayer_device_simulation.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "file_format_version" : "1.1.0",
-    "layer" : {
-        "name": "VK_LAYER_LUNARG_device_simulation",
-        "type": "GLOBAL",
-        "library_path": "./libVkLayer_device_simulation.so",
-        "api_version": "1.0.67",
-        "implementation_version": "1.2.0",
-        "description": "LunarG device simulation layer"
-    }
-}
diff --git a/layers/linux/libVkLayer_device_simulation.so b/layers/linux/libVkLayer_device_simulation.so
deleted file mode 100755
index 3bfea567..00000000
--- a/layers/linux/libVkLayer_device_simulation.so
+++ /dev/null