Remove obsolete external python modules

Following ATLINFR-2325, these python modules are obsolete:
- Beaker
- affinity
- bunch
- configparser
- datadiff
- gcovr
- pyinotify

External/AtlasPyFwdBwdPorts/CMakeLists.txt

@@ -79,30 +79,6 @@ function( _setup_python_package name file md5 )
 
 endfunction( _setup_python_package )
 
-# Install Beaker:
-_setup_python_package( Beaker
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/Beaker-1.5.4.tar.gz
-   de84e7511119dc0b8eb4ac177d3e2512
-   )
-
-# Install affinity:
-_setup_python_package( affinity
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/affinity-0.1.0.tar.gz
-   cc610cdb05ca675b4089ce2f05796f57
-   )
-
-# Install bunch:
-_setup_python_package( bunch
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/bunch-1.0.0.tar.gz
-   944d2e8f222ed032961daa34c5b5151c
-   )
-
-# Install datadiff:
-_setup_python_package( datadiff
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/datadiff-1.1.1.tar.gz
-   48a2e9b85332b8252c8401205ff02756
-   )
-
 # Install extensions:
 _setup_python_package( extensions
    ${CMAKE_CURRENT_SOURCE_DIR}/src/extensions-0.4.tar.gz
@@ -125,13 +101,7 @@ _setup_python_package( pyflakes
 _setup_python_package( flake8
    ${CMAKE_CURRENT_SOURCE_DIR}/src/flake8-3.6.0.tar.gz
    178485aed0799655d0cbf2e3bdcfaddc
-   DEPENDS pyflakes
-   SINGLE_VERSION )
-
-# Install configparser:
-_setup_python_package( configparser
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/configparser-3.5.0.tar.gz
-   cfdd915a5b7a6c09917a64a573140538
+   DEPENDS pyflakes pycodestyle mccabe enum34
    SINGLE_VERSION )
 
 # Install enum34:
@@ -146,18 +116,12 @@ _setup_python_package( mccabe
    723df2f7b1737b8887475bac4c763e1e
    SINGLE_VERSION )
 
-# Install :
+# Install pycodestyle:
 _setup_python_package( pycodestyle 
    ${CMAKE_CURRENT_SOURCE_DIR}/src/pycodestyle-2.4.0.tar.gz
    85bbebd2c90d2f833c1db467d4d0e9a3
    SINGLE_VERSION )
 
-# Install pyinotify:
-_setup_python_package( pyinotify
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/pyinotify-0.9.1.tar.gz
-   bd06a9feac312414e57d92c781bda539
-   SINGLE_VERSION )
-
 # Install pyyaml:
 _setup_python_package( pyyaml
    ${CMAKE_CURRENT_SOURCE_DIR}/src/pyyaml-3.10.tar.gz
@@ -165,12 +129,6 @@ _setup_python_package( pyyaml
    EXTRA_ARGS --without-libyaml
    SINGLE_VERSION )
 
-# Install gcovr:
-_setup_python_package( gcovr
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/gcovr-3.4.tar.gz
-   0e8aece2bd438530853e7e10968efd56
-   SINGLE_VERSION )
-
 # Install scandir:
 _setup_python_package( scandir
    ${CMAKE_CURRENT_SOURCE_DIR}/src/scandir-1.6.tar.gz