chore: unnecessary use of fmt.Sprintf (#1166)

Signed-off-by: guoguangwu <[email protected]>
Upstream-repository: operator-registry
Upstream-commit: 6cb25c26756c4eeadd29a43ffc4d45cd43159e4e

Author: testwill

staging/operator-registry/pkg/containertools/dockerfilegenerator.go

@@ -50,8 +50,8 @@ func (g *IndexDockerfileGenerator) GenerateIndexDockerfile(binarySourceImage, da
 
 	// Content
 	dockerfile += fmt.Sprintf("ADD %s %s\n", databasePath, DefaultDbLocation)
-	dockerfile += fmt.Sprintf("EXPOSE 50051\n")
-	dockerfile += fmt.Sprintf("ENTRYPOINT [\"/bin/opm\"]\n")
+	dockerfile += "EXPOSE 50051\n"
+	dockerfile += "ENTRYPOINT [\"/bin/opm\"]\n"
 	dockerfile += fmt.Sprintf("CMD [\"registry\", \"serve\", \"--database\", \"%s\"]\n", DefaultDbLocation)
 
 	return dockerfile

staging/operator-registry/pkg/lib/bundle/generate_test.go

@@ -35,7 +35,7 @@ func TestGetMediaType(t *testing.T) {
 		{
 			"./testdata/get_mediatype/empty_bundle",
 			"",
-			fmt.Sprintf("The directory contains no files"),
+			"The directory contains no files",
 		},
 	}