Update template formate in install script (flyteorg#48)

Signed-off-by: yuvraj <[email protected]>

flytectl/install.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-# Code generated by godownloader on 2021-02-08T20:29:16Z. DO NOT EDIT.
+# Code generated by godownloader on 2021-04-03T07:49:04Z. DO NOT EDIT.
 #
 
 usage() {
@@ -101,7 +101,7 @@ adjust_os() {
   case ${OS} in
     386) OS=i386 ;;
     amd64) OS=x86_64 ;;
-    darwin) OS=macOS ;;
+    darwin) OS=Darwin ;;
     linux) OS=Linux ;;
     windows) OS=Windows ;;
   esac
@@ -112,7 +112,7 @@ adjust_arch() {
   case ${ARCH} in
     386) ARCH=i386 ;;
     amd64) ARCH=x86_64 ;;
-    darwin) ARCH=macOS ;;
+    darwin) ARCH=Darwin ;;
     linux) ARCH=Linux ;;
     windows) ARCH=Windows ;;
   esac
@@ -382,7 +382,7 @@ adjust_arch
 
 log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
 
-NAME=${PROJECT_NAME}_${VERSION}_${OS}_${ARCH}
+NAME=${PROJECT_NAME}_${OS}_${ARCH}
 TARBALL=${NAME}.${FORMAT}
 TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
 CHECKSUM=checksums.txt