fix a number of minor typos

Fix 19 typos, grammatical errors and duplicated words.

These fixes have minimal impact on the code as these are either in the
doc files or in comments inside the code files.

Signed-off-by: Abdur Rehman <abdur_rehman@mentor.com>
Upstream-commit: c3fe9d85ef
Component: cli

components/cli/cli/command/image/build.go

@@ -305,8 +305,8 @@ func runBuild(dockerCli command.Cli, options buildOptions) error {
 		progressOutput = &lastProgressOutput{output: progressOutput}
 	}
 
-	// if up to this point nothing has set the context then we must have have
-	// another way for sending it(streaming) and set the context to the Dockerfile
+	// if up to this point nothing has set the context then we must have another
+	// way for sending it(streaming) and set the context to the Dockerfile
 	if dockerfileCtx != nil && buildCtx == nil {
 		buildCtx = dockerfileCtx
 	}