removed dead symbolic links

openair-cn/OPENAIRHSS/COPYING

openair-cn/OPENAIRHSS/conf/hss.conf.in

openair1/PHY/LTE_TRANSPORT/initial_sync.c

openair1/PHY/LTE_TRANSPORT/print_stats.c

openair1/PHY/MODULATION/slot_fep.c

openair1/SCHED/phy_procedures_lte_eNb.c

openair1/SCHED/phy_procedures_lte_ue.c

openair2/S1AP

openair2/UTIL/OSD/OSD

openair2/UTIL/SCTP/sctp_primitives_client.c

openair2/UTIL/SCTP/sctp_primitives_client.h

openair3/EXAMPLES/3Nodes_EMULATION/mac_sim

openair3/EXAMPLES/3Nodes_EMULATION/openair_config.cfg

openair3/EXAMPLES/3Nodes_EMULATION/openair_scenario.scn

targets/PROJECTS/SPECTRA/libcasablanca.so

targets/RT/USER/lte-softmodem.c

targets/RT/USER/lte-ue.c