[DOCS] Update configuration.md
[DOCS] Update configuration.md

changed $SPARK_HOME/conf/spark-default.conf to $SPARK_HOME/conf/spark-defaults.conf

no testing necessary as this was a change to documentation.

Closes #22116 from KraFusion/patch-1.

Authored-by: Joey Krabacher <5436028784ee4bcc3b9264fcff74089b150a3c83@gmail.com>
Signed-off-by: Sean Owen <3f9d48d7c3f24f7009479c5fa630bd1131ffc724@databricks.com>

rednaxelafx/apache-spark,rikima/spark,actuaryzhang/spark,icexelloss/spark,wangmiao1981/spark,ahnqirage/spark,guoxiaolongzte/spark,BryanCutler/spark,sahilTakiar/spark,spark-test/spark,goldmedal/spark,jiangxb1987/spark,vinodkc/spark,bdrillard/spark,bdrillard/spark,aosagie/spark,dbtsai/spark,actuaryzhang/spark,techaddict/spark,xuanyuanking/spark,highfei2011/spark,zero323/spark,dongjoon-hyun/spark,wangmiao1981/spark,wangyum/spark,nchammas/spark,yanboliang/spark,milliman/spark,hvanhovell/spark,ConeyLiu/spark,jiangxb1987/spark,WeichenXu123/spark,kiszk/spark,mdespriee/spark,lvdongr/spark,cloud-fan/spark,facaiy/spark,shuangshuangwang/spark,zhouyejoe/spark,HyukjinKwon/spark,highfei2011/spark,dongjoon-hyun/spark,skonto/spark,rekhajoshm/spark,wangyum/spark,techaddict/spark,kiszk/spark,rikima/spark,gengliangwang/spark,goldmedal/spark,kevinyu98/spark,srowen/spark,spark-test/spark,BryanCutler/spark,kevinyu98/spark,chuckchen/spark,witgo/spark,milliman/spark,icexelloss/spark,srowen/spark,hhbyyh/spark,pgandhi999/spark,HyukjinKwon/spark,vinodkc/spark,sahilTakiar/spark,xuanyuanking/spark,LantaoJin/spark,zuotingbing/spark,ahnqirage/spark,ueshin/apache-spark,dongjoon-hyun/spark,rezasafi/spark,jkbradley/spark,ptkool/spark,WindCanDie/spark,rezasafi/spark,ahnqirage/spark,icexelloss/spark,jiangxb1987/spark,shuangshuangwang/spark,aosagie/spark,wangyum/spark,zuotingbing/spark,JoshRosen/spark,darionyaphet/spark,ahnqirage/spark,hvanhovell/spark,holdenk/spark,rekhajoshm/spark,wangyum/spark,aosagie/spark,ConeyLiu/spark,darionyaphet/spark,apache/spark,ptkool/spark,zero323/spark,gengliangwang/spark,mahak/spark,gengliangwang/spark,BryanCutler/spark,zero323/spark,zero323/spark,BryanCutler/spark,wzhfy/spark,pgandhi999/spark,ahnqirage/spark,rekhajoshm/spark,maropu/spark,Aegeaner/spark,milliman/spark,apache/spark,Aegeaner/spark,BryanCutler/spark,xuanyuanking/spark,guoxiaolongzte/spark,nchammas/spark,maropu/spark,ahnqirage/spark,rezasafi/spark,pgandhi999/spark,chuckchen/spark,jkbradley/spark,vinodkc/spark,darionyaphet/spark,maropu/spark,shuangshuangwang/spark,kiszk/spark,rekhajoshm/spark,sahilTakiar/spark,dongjoon-hyun/spark,sahilTakiar/spark,michalsenkyr/spark,ueshin/apache-spark,vinodkc/spark,mdespriee/spark,ueshin/apache-spark,kevinyu98/spark,srowen/spark,xuanyuanking/spark,LantaoJin/spark,dongjoon-hyun/spark,mahak/spark,kevinyu98/spark,rikima/spark,zzcclp/spark,holdenk/spark,taroplus/spark,witgo/spark,wzhfy/spark,rezasafi/spark,bdrillard/spark,WindCanDie/spark,jiangxb1987/spark,actuaryzhang/spark,aosagie/spark,JoshRosen/spark,zuotingbing/spark,kiszk/spark,taroplus/spark,highfei2011/spark,dongjoon-hyun/spark,caneGuy/spark,wangmiao1981/spark,mdespriee/spark,zhouyejoe/spark,yanboliang/spark,hvanhovell/spark,dbtsai/spark,cloud-fan/spark,yanboliang/spark,aosagie/spark,WeichenXu123/spark,pgandhi999/spark,rekhajoshm/spark,dbtsai/spark,taroplus/spark,JoshRosen/spark,sahilTakiar/spark,ueshin/apache-spark,dongjoon-hyun/spark,vinodkc/spark,WindCanDie/spark,Aegeaner/spark,HyukjinKwon/spark,rezasafi/spark,hvanhovell/spark,dbtsai/spark,sahilTakiar/spark,zero323/spark,chuckchen/spark,LantaoJin/spark,techaddict/spark,caneGuy/spark,shuangshuangwang/spark,HyukjinKwon/spark,goldmedal/spark,kiszk/spark,hvanhovell/spark,maropu/spark,jkbradley/spark,ptkool/spark,goldmedal/spark,skonto/spark,taroplus/spark,ptkool/spark,shuangshuangwang/spark,zhouyejoe/spark,darionyaphet/spark,hhbyyh/spark,rikima/spark,guoxiaolongzte/spark,zuotingbing/spark,srowen/spark,ueshin/apache-spark,ptkool/spark,hvanhovell/spark,shuangshuangwang/spark,wzhfy/spark,holdenk/spark,lvdongr/spark,aosagie/spark,facaiy/spark,goldmedal/spark,hhbyyh/spark,caneGuy/spark,ConeyLiu/spark,michalsenkyr/spark,apache/spark,michalsenkyr/spark,jkbradley/spark,rednaxelafx/apache-spark,actuaryzhang/spark,JoshRosen/spark,zhouyejoe/spark,mahak/spark,HyukjinKwon/spark,caneGuy/spark,gengliangwang/spark,taroplus/spark,ConeyLiu/spark,jkbradley/spark,dbtsai/spark,zzcclp/spark,holdenk/spark,actuaryzhang/spark,WeichenXu123/spark,zuotingbing/spark,skonto/spark,mahak/spark,zhouyejoe/spark,icexelloss/spark,HyukjinKwon/spark,jiangxb1987/spark,xuanyuanking/spark,pgandhi999/spark,caneGuy/spark,srowen/spark,dbtsai/spark,guoxiaolongzte/spark,gengliangwang/spark,holdenk/spark,WindCanDie/spark,milliman/spark,rekhajoshm/spark,techaddict/spark,maropu/spark,mdespriee/spark,hhbyyh/spark,witgo/spark,zzcclp/spark,spark-test/spark,sahilTakiar/spark,vinodkc/spark,cloud-fan/spark,facaiy/spark,guoxiaolongzte/spark,shaneknapp/spark,facaiy/spark,maropu/spark,yanboliang/spark,darionyaphet/spark,rekhajoshm/spark,actuaryzhang/spark,caneGuy/spark,maropu/spark,facaiy/spark,rezasafi/spark,wzhfy/spark,bdrillard/spark,techaddict/spark,holdenk/spark,holdenk/spark,shaneknapp/spark,apache/spark,wangmiao1981/spark,kevinyu98/spark,facaiy/spark,spark-test/spark,LantaoJin/spark,nchammas/spark,jiangxb1987/spark,bdrillard/spark,icexelloss/spark,rednaxelafx/apache-spark,ahnqirage/spark,zero323/spark,wangyum/spark,shuangshuangwang/spark,facaiy/spark,JoshRosen/sp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