Revert "[release] prepare for next release"

This reverts commit 5a26982.

Author: DavyLandman

rascal-lsp/pom.xml

@@ -30,7 +30,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.rascalmpl</groupId>
   <artifactId>rascal-lsp</artifactId>
-  <version>2.20.3-SNAPSHOT</version>
+  <version>2.20.2</version>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <junit.version>5.10.2</junit.version>

rascal-vscode-extension/package.json

@@ -14,7 +14,7 @@
     "color": "#ffffff",
     "theme": "light"
   },
-  "version": "0.11.3-head",
+  "version": "0.11.2",
   "engines": {
     "vscode": "^1.75.0"
   },