Remove wasm experimental Gradle repo (#44)

I think it's not needed anymore, and it includes some broken versions
of ktor which confuses Renovate.

Author: krzema12

settings.gradle.kts

@@ -25,7 +25,6 @@ dependencyResolutionManagement {
             }
         }
         mavenCentral()
-        maven("https://maven.pkg.jetbrains.space/kotlin/p/wasm/experimental")
     }
 }