Removed echo from variables

11/Dockerfile

@@ -59,9 +59,9 @@ ENV JAVA_BUILD jdk11u-${RELEASE_DATE}
 ENV JAVA_BUILD_TYPE jdk
 
 RUN set -eux; \
-    RELEASE_DATE="$(echo ${RELEASE_DATE})"; \
-    JAVA_BUILD="$(echo ${JAVA_BUILD})"; \
-    JAVA_BUILD_TYPE="$(echo ${JAVA_BUILD_TYPE})"; \
+    RELEASE_DATE="${RELEASE_DATE}"; \
+    JAVA_BUILD="${JAVA_BUILD}"; \
+    JAVA_BUILD_TYPE="${JAVA_BUILD_TYPE}"; \
     apk add --no-cache --virtual .fetch-deps curl; \
     ARCH="$(apk --print-arch)"; \
     case "${ARCH}" in \