Revert of Kotlin 2.0 due to Redex failure in IG and Threads app that …

…is blocking release builds

Summary:
This diff reverts the Kotlin 2.0.0 upgrade D57734377

# But... Why?
[There's a redex issue on IG and Threads apps](https://www.internalfb.com/sandcastle/workflow/4458563631100407512/artifact/actionlog.4458563631168574159.stdout.1?selectedLines=1546-1602-1-1) that was surfaced and the Redex team needs more time to look into this.

Reviewed By: drhill-meta

Differential Revision: D60265385

fbshipit-source-id: 20b87d436cbe19ceb5d1bbd489756b5415436b10

gradle/libs.versions.toml

@@ -6,7 +6,7 @@
 #
 
 [versions]
-kotlin = "2.0.0"
+kotlin = "1.9.24"
 agp = "7.4.1"
 byte-buddy-agent = "1.12.18"
 ow2-asm = "9.4"