Fix multiple verbs getting latest github release

With multiple verbs on the command line that retrieve the latest github
release, the version from the first verb would be used for the second
verb.

Delete the temporary version information file before fetching it to
avoid using the previous contents.

src/winetricks

@@ -1113,6 +1113,9 @@ w_get_github_latest_release()
     org="$1"
     repo="$2"
 
+    # release.json might still exists from the previous verb
+    w_try rm -f "${W_TMP_EARLY}/release.json"
+
     WINETRICKS_SUPER_QUIET=1 w_download_to "${W_TMP_EARLY}" "https://api.github.com/repos/${org}/${repo}/releases/latest" "" "release.json" >/dev/null 2>&1
 
     # aria2c condenses the json (https://github.com/aria2/aria2/issues/1389)