bitbake diagnostic-aggregrator failed due to missing build
dependencies with:
```
| -- Could not find the required component 'bondcpp'. The following CMake error indicates that you either need to install the package with the same name or change your environment so that it can be found.
| CMake Error at /home/lukas/dev/openembedded.org/openembedded-core/build/tmp-glibc/sysroots/qemux86/opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:83 (find_package):
|   Could not find a package configuration file provided by "bondcpp" with any
|   of the following names:
|
|     bondcppConfig.cmake
|     bondcpp-config.cmake
|
|   Add the installation prefix of "bondcpp" to CMAKE_PREFIX_PATH or set
|   "bondcpp_DIR" to a directory containing one of the above files.  If
|   "bondcpp" provides a separate development package or SDK, be sure it has
|   been installed.
| Call Stack (most recent call first):
|   CMakeLists.txt:6 (find_package)
|
|
| -- Configuring incomplete, errors occurred!
```

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>

In 2014, the update of the diagnostics recipes from 1.8.3 to 1.8.4
failed due to reasons that seem not to be relevant anymore in the
current version 1.8.10. As the diagnostic-aggregator recipe failed
with gcc6 (cf. https://github.com/bmwcarit/meta-ros/issues/392

),
I revisited the diagnostics recipes and this commit updates them.
The current diagnostics recipes in version 1.8.10 do not fail with
gcc6, and is one step forward to build meta-ros with gcc6.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>

The patch for diagnostics has been merged in version 1.8.2, and
hence is removed.