chore: remove pluginUntilBuild property

Author: xepozz

gradle.properties

@@ -7,7 +7,6 @@ pluginVersion=2025.1.1
 
 # Supported build number ranges and IntelliJ Platform versions -> https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 pluginSinceBuild=242
-pluginUntilBuild=251.*
 
 # IntelliJ Platform Properties -> https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html#configuration-intellij-extension
 platformType = PS