[scripts] Remove misspelled OPENAPI_GENERATOR_DOWLOAD_CACHE_DIR (#5035)

Author: jimschubert

bin/utils/openapi-generator-cli.sh

@@ -42,12 +42,7 @@ artifactid=openapi-generator-cli
 ver=${OPENAPI_GENERATOR_VERSION:-$(latest.tag $ghrepo)}
 
 jar=${artifactid}-${ver}.jar
-
-# TODO: Remove OPENAPI_GENERATOR_DOWLOAD_CACHE_DIR for release 5.0
-if [ -n "${OPENAPI_GENERATOR_DOWLOAD_CACHE_DIR}" ]; then
-  >&2 printf "[WARN] Variable OPENAPI_GENERATOR_DOWLOAD_CACHE_DIR is misspelled.\nPlease change to OPENAPI_GENERATOR_DOWNLOAD_CACHE_DIR. This option will be removed in the 5.0 release.\n"
-fi
-cachedir=${OPENAPI_GENERATOR_DOWNLOAD_CACHE_DIR:-"$OPENAPI_GENERATOR_DOWLOAD_CACHE_DIR"}
+cachedir=${OPENAPI_GENERATOR_DOWNLOAD_CACHE_DIR}
 
 DIR=${cachedir:-"$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"}