Adjusts Summoner max job level to 60 (#5336)

* Fixes #5330.
* Lowers the job level from 70 to 60.
* Includes SQL file to revert any characters that may have gone beyond job level 60.
Thanks to @mazvi, @attackjom, and @Balferian!

db/re/job_exp.txt

@@ -56,4 +56,4 @@
 99,23:4045,1,60,130,260,460,780,1060,1300,1560,1910,2290,2680,2990,3340,3740,4360,4970,5530,6120,6700,8090,8920,9970,11080,12690,14440,15850,17400,19220,21060,22870,24910,26840,29080,31320,33300,37110,40500,43570,46180,53510,57200,60310,65690,70090,72130,77540,83320,90120,590120,600120,610120,620120,630120,640120,650120,660120,670120,680120,690120,700120,710120,720120,730120,740120,750120,760120,770120,780120,790120,800120,810120,820120,830120,840120,850120,860120,870120,880120,890120,900120,910120,920120,930120,940120,950120,960120,970120,980120,990120,1000120,1010120,1020120,1030120,1040120,1050120,1060120,1070120,1080120,999999999
 
 //Job - Summoner
-70,4218:4220,1,60,130,260,460,780,1060,1300,1560,1910,2500,4200,7000,10300,15900,18900,20900,22600,24900,28800,33100,35100,40500,44100,46300,48500,50700,56000,59000,63500,68100,75000,85700,90500,106000,112000,355000,615000,917000,1253000,1595000,2007000,2430000,2868000,3420000,3863000,4504000,4998000,5769000,6321000,7585200,9860760,13805064,20707596,33132154,53011447,72890740,92770033,112649326,132528619,319836691,367812195,422984024,486431628,559396372,632361116,705325860,778290604,851255348,924220092,999999999
+60,4218:4220,1,60,130,260,460,780,1060,1300,1560,1910,2500,4200,7000,10300,15900,18900,20900,22600,24900,28800,33100,35100,40500,44100,46300,48500,50700,56000,59000,63500,68100,75000,85700,90500,106000,112000,355000,615000,917000,1253000,1595000,2007000,2430000,2868000,3420000,3863000,4504000,4998000,5769000,6321000,7585200,9860760,13805064,20707596,33132154,53011447,72890740,92770033,112649326,132528619,999999999

sql-files/upgrades/upgrade_20200821.sql

@@ -0,0 +1,2 @@
+DELETE s FROM `skill` s, `char` c WHERE `s`.char_id = `c`.char_id AND (`c`.class = 4218 OR `c`.class = 4220) AND `c`.job_level > 60;
+UPDATE `char` c SET `c`.job_level = 60, `c`.skill_point = 59 WHERE (`c`.class = 4218 OR `c`.class = 4220) AND `c`.job_level > 60;