[CI] Remove context and scope.

Author: 2sin18

docs/tutorials/programming_model.md

@@ -3,6 +3,5 @@
 ```{toctree}
 :maxdepth: 2
 
-programming_model
 data_loading
 ```

docs/tutorials/tutorials.md

@@ -24,8 +24,4 @@
 from . import training as train
 
 from hybridbackend.libhybridbackend import buildinfo
-from hybridbackend.tensorflow.framework.context import Context
-from hybridbackend.tensorflow.framework.context import context
 from hybridbackend.tensorflow.framework.random import enable_deterministic
-from hybridbackend.tensorflow.framework.scope import function
-from hybridbackend.tensorflow.framework.scope import scope