[svn]: unbundle Subversion plugin (IJPL-201700)

GitOrigin-RevId: 399c5cffbf0e68acef74c8553f7dfcb80839f4c7

platform/build-scripts/src/org/jetbrains/intellij/build/BaseIdeaProperties.kt

@@ -1,4 +1,4 @@
-// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.jetbrains.intellij.build
 
 import kotlinx.collections.immutable.PersistentList
@@ -32,7 +32,6 @@ val IDEA_BUNDLED_PLUGINS: PersistentList<String> = DEFAULT_BUNDLED_PLUGINS + per
   "intellij.gradle.java",
   "intellij.vcs.git",
   "intellij.vcs.git.commit.modal",
-  "intellij.vcs.svn",
   "intellij.vcs.hg",
   "intellij.vcs.github",
   "intellij.vcs.gitlab",

python/build/plugin-list.txt

@@ -21,7 +21,6 @@ intellij.textmate.plugin
 intellij.toml
 intellij.vcs.git
 intellij.vcs.hg
-intellij.vcs.svn
 intellij.json
 intellij.yaml
 intellij.performanceTesting