Remove built-in model files from extension files.

These are still avaialble when building this repository as a
MakeCode project.

Author: microbit-carlos

README.md

@@ -89,6 +89,11 @@ the default behaviour of the extension code.
 
 ### Built-in ML model
 
+> [!NOTE]
+> This flag is only applicable when building this repository as a MakeCode
+> project. When used as a MakeCode extension, the files with the built-in
+> model will not be included and the build will fail.
+
 The `MLRUNNER_USE_EXAMPLE_MODEL` flag can be used to add into a project an
 example model included in this extension.
 
@@ -98,7 +103,7 @@ example model included in this extension.
   shake, circle and still.
 - 2: This will include the Keras ADL model converted with ML4F.
   This model is too large and might not fit in normal builds without excluding
-  the BLE SoftDevice, so it's usage is discouraged.
+  the BLE SoftDevice, so its usage is discouraged.
   Classes: Jumping, Running, Standing, Walking
 
 ```json

pxt.json

@@ -15,16 +15,16 @@
         "mlrunner/mlrunner.c",
         "mlrunner/mldataprocessor.h",
         "mlrunner/mldataprocessor.c",
-        "mlrunner/filterdataprocessor.c",
-        "mlrunner/example_model1.h",
-        "mlrunner/example_dataprocessor.c"
+        "mlrunner/filterdataprocessor.c"
     ],
     "testFiles": [
         "main.ts",
         "main.blocks",
         "autogenerated.ts",
         "testextension.ts",
         "testextension.cpp",
+        "mlrunner/example_model1.h",
+        "mlrunner/example_dataprocessor.c",
         "modeltest/modeltest.h",
         "modeltest/modeltest.cpp",
         "modeltest/testdata.h"