nix: fix regex in clean.sh script

Repo used to be called `status-react`.

Signed-off-by: Jakub Sokołowski <jakub@status.im>

nix/scripts/clean.sh

@@ -89,7 +89,7 @@ if [[ -n "${nixResultPath}" ]]; then
     toDelete=$(findByResult "${nixResultPath}")
 else 
     # use regular expression that should match all status-mobile build artifacts
-    toDelete=$(findByRegex '.*-status-(react|go)-(shell|source|build|patched-npm-gradle-modules).*')
+    toDelete=$(findByRegex '.*-status-(mobile|go)-(shell|source|build|patched-npm-gradle-modules).*')
 fi
 
 # remove duplicates and return