Fixed run.sh to use python instead of python2

Author: ArnauPrat

run.sh

@@ -25,8 +25,8 @@ $HADOOP_HOME/bin/hadoop  jar $LDBC_SNB_DATAGEN_HOME/ldbc_snb_datagen.jar $LDBC_S
 if [ $PARAM_GENERATION -eq 1 ]
 then
 	mkdir -p substitution_parameters
-	python2 paramgenerator/generateparams.py $LDBC_SNB_DATAGEN_HOME substitution_parameters/
-	python2 paramgenerator/generateparamsbi.py $LDBC_SNB_DATAGEN_HOME substitution_parameters/
+	python paramgenerator/generateparams.py $LDBC_SNB_DATAGEN_HOME substitution_parameters/
+	python paramgenerator/generateparamsbi.py $LDBC_SNB_DATAGEN_HOME substitution_parameters/
   rm -f m*factors*
   rm -f .m*factors*
   rm -f m0friendList*