build: simplify install folder resolution

Author: fioan89

build.gradle.kts

@@ -202,21 +202,13 @@ tasks.register("cleanAll", Delete::class.java) {
 
 private fun getPluginInstallDir(): Path {
     val userHome = System.getProperty("user.home").let { Path.of(it) }
-    val toolboxCachesDir = when {
+    val pluginsDir = when {
         SystemInfoRt.isWindows -> System.getenv("LOCALAPPDATA")?.let { Path.of(it) } ?: (userHome / "AppData" / "Local")
         // currently this is the location that TBA uses on Linux
         SystemInfoRt.isLinux -> System.getenv("XDG_DATA_HOME")?.let { Path.of(it) } ?: (userHome / ".local" / "share")
         SystemInfoRt.isMac -> userHome / "Library" / "Caches"
         else -> error("Unknown os")
-    } / "JetBrains" / "Toolbox"
-
-    val pluginsDir = when {
-        SystemInfoRt.isWindows ||
-                SystemInfoRt.isLinux ||
-                SystemInfoRt.isMac -> toolboxCachesDir
-
-        else -> error("Unknown os")
-    } / "plugins"
+    } / "JetBrains" / "Toolbox" / "plugins"
 
     return pluginsDir / extension.id
 }