chore: fix failing tests at head (#3489)

Fixed failing tests in TestCreateLibrary.

Author: ldetmer

internal/librarian/create_test.go

@@ -50,7 +50,6 @@ func TestCreateLibrary(t *testing.T) {
 					Name:          "google-cloud-secretmanager",
 					CopyrightYear: copyrightYear,
 					Output:        "newlib-output",
-					Version:       "0.1.0",
 				},
 			},
 		},
@@ -93,7 +92,6 @@ func TestCreateLibrary(t *testing.T) {
 					Name:          "google-cloud-secretmanager",
 					CopyrightYear: copyrightYear,
 					Output:        "newlib-output",
-					Version:       "0.1.0",
 				},
 			},
 		},