Simplify <link> regex cleanup code.
Simplify <link> regex cleanup code.

royc1/gpdb,oberstet/postgres-xl,kaknikhil/gpdb,lintzc/gpdb,arcivanov/postgres-xl,ahachete/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,snaga/postgres-xl,janebeckman/gpdb,rubikloud/gpdb,lpetrov-pivotal/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,zaksoup/gpdb,atris/gpdb,tangp3/gpdb,kmjungersen/PostgresXL,edespino/gpdb,chrishajas/gpdb,janebeckman/gpdb,xuegang/gpdb,foyzur/gpdb,kaknikhil/gpdb,ahachete/gpdb,tpostgres-projects/tPostgres,tangp3/gpdb,oberstet/postgres-xl,foyzur/gpdb,ahachete/gpdb,kaknikhil/gpdb,xuegang/gpdb,lintzc/gpdb,50wu/gpdb,Quikling/gpdb,rvs/gpdb,jmcatamney/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,0x0FFF/gpdb,pavanvd/postgres-xl,zeroae/postgres-xl,lintzc/gpdb,xinzweb/gpdb,tangp3/gpdb,50wu/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,rubikloud/gpdb,cjcjameson/gpdb,Quikling/gpdb,pavanvd/postgres-xl,foyzur/gpdb,Quikling/gpdb,lisakowen/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,royc1/gpdb,yuanzhao/gpdb,yazun/postgres-xl,rvs/gpdb,postmind-net/postgres-xl,Chibin/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,ovr/postgres-xl,0x0FFF/gpdb,lintzc/gpdb,foyzur/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,atris/gpdb,50wu/gpdb,CraigHarris/gpdb,chrishajas/gpdb,zeroae/postgres-xl,xuegang/gpdb,Chibin/gpdb,chrishajas/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,atris/gpdb,lisakowen/gpdb,rubikloud/gpdb,cjcjameson/gpdb,techdragon/Postgres-XL,adam8157/gpdb,randomtask1155/gpdb,xinzweb/gpdb,xinzweb/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,arcivanov/postgres-xl,postmind-net/postgres-xl,Chibin/gpdb,yazun/postgres-xl,cjcjameson/gpdb,atris/gpdb,50wu/gpdb,CraigHarris/gpdb,foyzur/gpdb,0x0FFF/gpdb,lisakowen/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,atris/gpdb,Chibin/gpdb,kaknikhil/gpdb,tpostgres-projects/tPostgres,CraigHarris/gpdb,0x0FFF/gpdb,0x0FFF/gpdb,tangp3/gpdb,atris/gpdb,adam8157/gpdb,pavanvd/postgres-xl,yuanzhao/gpdb,janebeckman/gpdb,CraigHarris/gpdb,techdragon/Postgres-XL,techdragon/Postgres-XL,snaga/postgres-xl,zaksoup/gpdb,ashwinstar/gpdb,chrishajas/gpdb,rubikloud/gpdb,snaga/postgres-xl,tpostgres-projects/tPostgres,50wu/gpdb,kmjungersen/PostgresXL,edespino/gpdb,oberstet/postgres-xl,edespino/gpdb,Quikling/gpdb,foyzur/gpdb,CraigHarris/gpdb,xinzweb/gpdb,50wu/gpdb,adam8157/gpdb,greenplum-db/gpdb,janebeckman/gpdb,yazun/postgres-xl,arcivanov/postgres-xl,pavanvd/postgres-xl,royc1/gpdb,CraigHarris/gpdb,yazun/postgres-xl,kaknikhil/gpdb,xuegang/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,ahachete/gpdb,tpostgres-projects/tPostgres,Quikling/gpdb,Postgres-XL/Postgres-XL,0x0FFF/gpdb,snaga/postgres-xl,greenplum-db/gpdb,lisakowen/gpdb,ovr/postgres-xl,atris/gpdb,Postgres-XL/Postgres-XL,yuanzhao/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,foyzur/gpdb,rvs/gpdb,adam8157/gpdb,foyzur/gpdb,Quikling/gpdb,Chibin/gpdb,randomtask1155/gpdb,ovr/postgres-xl,yuanzhao/gpdb,edespino/gpdb,kmjungersen/PostgresXL,chrishajas/gpdb,zaksoup/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,lpetrov-pivotal/gpdb,cjcjameson/gpdb,snaga/postgres-xl,royc1/gpdb,ahachete/gpdb,lpetrov-pivotal/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,lintzc/gpdb,tangp3/gpdb,zeroae/postgres-xl,yuanzhao/gpdb,techdragon/Postgres-XL,adam8157/gpdb,0x0FFF/gpdb,oberstet/postgres-xl,rubikloud/gpdb,edespino/gpdb,lintzc/gpdb,janebeckman/gpdb,royc1/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,Quikling/gpdb,50wu/gpdb,rvs/gpdb,50wu/gpdb,randomtask1155/gpdb,postmind-net/postgres-xl,kmjungersen/PostgresXL,xuegang/gpdb,yuanzhao/gpdb,zaksoup/gpdb,adam8157/gpdb,edespino/gpdb,ahachete/gpdb,Postgres-XL/Postgres-XL,Chibin/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,xinzweb/gpdb,xuegang/gpdb,chrishajas/gpdb,ahachete/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,zaksoup/gpdb,jmcatamney/gpdb,ahachete/gpdb,rvs/gpdb,cjcjameson/gpdb,lintzc/gpdb,royc1/gpdb,zaksoup/gpdb,janebeckman/gpdb,rvs/gpdb,xuegang/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,Chibin/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,adam8157/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,lisakowen/gpdb,zeroae/postgres-xl,rubikloud/gpdb,zaksoup/gpdb,janebeckman/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,rubikloud/gpdb,lintzc/gpdb,xuegang/gpdb,xuegang/gpdb,rvs/gpdb,Chibin/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,edespino/gpdb,tpostgres-projects/tPostgres,randomtask1155/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,ovr/postgres-xl,atris/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,adam8157/gpdb,tangp3/gpdb,ashwinstar/gpdb,janebeckman/gpdb,rvs/gpdb,pavanvd/postgres-xl,janebeckman/gpdb,yuanzhao/gpdb,lisakowen/gpdb,Chibin/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,chrishajas/gpdb,royc1/gpdb,yuanzhao/gpdb,rubikloud/gpdb,zeroae/postgres-xl,edespino/gpdb,rvs/gpdb,chrishajas/gpdb,yuanzhao/gpdb,lisakowen/gpdb,Quikling/gpdb,kaknikhil/gpdb,Chibin/gpdb,yazun/postgres-xl,cjcjameson/gpdb,0x0FFF/gpdb,janebeckman/gpdb,ovr/postgres-xl,rvs/gpdb,edespino/gpdb,royc1/gpdb,edespino/gpdb,tangp3/gpdb