move data loader to ctlearn

dl1dh should be not import keras or tensorflow

Author: TjarkMiener

README.rst

@@ -43,7 +43,7 @@ necessary package channels, and install dl1-data-handler specified version and i
 
 .. code-block:: bash
 
-   DL1DH_VER=0.12.0
+   DL1DH_VER=0.13.0
    wget https://raw.githubusercontent.com/cta-observatory/dl1-data-handler/v$DL1DH_VER/environment.yml
    conda env create -n [ENVIRONMENT_NAME] -f environment.yml
    conda activate [ENVIRONMENT_NAME]
@@ -52,27 +52,6 @@ necessary package channels, and install dl1-data-handler specified version and i
 This should automatically install all dependencies (NOTE: this may take some time, as by default MKL is included as a dependency of NumPy and it is very large).
 
 
-Dependencies
-------------
-
-The main dependencies are:
-
-
-* PyTables >= 3.8
-* NumPy >= 1.20.0
-* ctapipe >= 0.23
-
-Also see setup.py.
-
-Usage
------
-
-ImageMapper
-^^^^^^^^^^^
-
-The ImageMapper class transforms the hexagonal input pixels into a 2D Cartesian output image. The basic usage is demonstrated in the `ImageMapper tutorial <https://github.com/cta-observatory/dl1-data-handler/blob/master/notebooks/test_image_mapper.ipynb>`_. It requires `ctapipe-extra <https://github.com/cta-observatory/ctapipe-extra>`_ outside of the dl1-data-handler. See this publication for a detailed description: `arXiv:1912.09898 <https://arxiv.org/abs/1912.09898>`_
-
-
 Links
 -----
 

dl1_data_handler/loader.py

@@ -17,4 +17,3 @@ dependencies:
     - pandas
     - pip:
         - pydot
-        - keras

dl1_data_handler/tests/test_loader.py

@@ -30,7 +30,6 @@ def getVersionFromFile():
         "ctapipe==0.23.2",
         "traitlets",
         "jupyter",
-        "keras",
         "pandas",
         "pytest-cov",
         "tables",