Revert 'update imports', mx labsjdk version isn't up to date yet.

Author: Ariouz

ci/graal/common.json

@@ -4,7 +4,7 @@
     "Jsonnet files should not include this file directly but use ci/common.jsonnet instead."
   ],
 
-  "mx_version": "7.68.5",
+  "mx_version": "7.68.4",
 
   "COMMENT.jdks": "When adding or removing JDKs keep in sync with JDKs in ci/common.jsonnet",
   "jdks": {

mx.graalpython/suite.py

@@ -53,15 +53,15 @@
             },
             {
                 "name": "tools",
-                "version": "5975f9f8d7b4621badfdb1152070da848729a211",
+                "version": "e61a4623b7fc839ee10df84050c120d59056b871",
                 "subdir": True,
                 "urls": [
                     {"url": "https://github.com/oracle/graal", "kind": "git"},
                 ],
             },
             {
                 "name": "regex",
-                "version": "5975f9f8d7b4621badfdb1152070da848729a211",
+                "version": "e61a4623b7fc839ee10df84050c120d59056b871",
                 "subdir": True,
                 "urls": [
                     {"url": "https://github.com/oracle/graal", "kind": "git"},