Let MaxScale build the Jansson library

The CMake files in MaxScale automatically download the correct version of
the Jansson library when it is configured. The build scripts used the
default branch which can change.

BUILD/install_build_deps.sh

@@ -109,22 +109,6 @@ cd tcl8.6.5/unix
 sudo make install
 cd ../../..
 
-
-# Jansson
-git clone https://github.com/akheron/jansson.git
-if [ $? != 0 ]
-then
-    echo "Error cloning jansson"
-    exit 1
-fi
-
-mkdir -p jansson/build
-pushd jansson/build
-cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_C_FLAGS=-fPIC -DJANSSON_INSTALL_LIB_DIR=$install_libdir
-make
-sudo make install
-popd
-
 # Avro C API
 wget -r -l1 -nH --cut-dirs=2 --no-parent -A.tar.gz --no-directories http://mirror.netinch.com/pub/apache/avro/stable/c
 if [ $? != 0 ]