remove aws/aws-controllers-k8s from code-generator

The code-generator was still referencing the
github.com/aws-controllers-k8s/runtime@v0.0.2 version which itself referenced still
the original github.com/aws/aws-controllers-k8s library. This was
causing a number of issues for generated controllers, including leaving
old Go module dependencies around.

Also adds a call to `git fetch --all --tags` to the `cloneSDKRepo()`
function in `ack-generate` to ensure that the most up-to-date tags are
pulled for the aws-sdk-go local cached repository. Calling `git checkout
tags/v1.37.4` when the latest cached aws-sdk-go was at 1.35.5 was
causing a frustrating "error: returned 1" garbage to be returned by the
`scripts/build-controller.sh` because the `exec.Cmd()` was burying the
response from Git which was clearly stating no such git tag or file
could be located.

Author: jaypipes

cmd/ack-generate/command/common.go

@@ -89,7 +89,11 @@ func cloneSDKRepo(srcPath string) (string, error) {
 	clonePath := filepath.Join(srcPath, "aws-sdk-go")
 	if optRefreshCache {
 		if _, err := os.Stat(filepath.Join(clonePath, ".git")); !os.IsNotExist(err) {
-			cmd := exec.Command("git", "-C", clonePath, "checkout", "tags/"+sdkVersion)
+			cmd := exec.Command("git", "-C", clonePath, "fetch", "--all", "--tags")
+			if err = cmd.Run(); err != nil {
+				return "", err
+			}
+			cmd = exec.Command("git", "-C", clonePath, "checkout", "tags/"+sdkVersion)
 			return clonePath, cmd.Run()
 		}
 	}

go.mod

@@ -3,7 +3,7 @@ module github.com/aws-controllers-k8s/code-generator
 go 1.14
 
 require (
-	github.com/aws-controllers-k8s/runtime v0.0.3
+	github.com/aws-controllers-k8s/runtime v0.0.4
 	github.com/aws/aws-sdk-go v1.37.4
 	github.com/dlclark/regexp2 v1.4.0
 	// pin to v0.1.1 due to release problem with v0.1.2