chore: address review feedback from 14381 (googleapis#14425)

This PR addresses the following feedback from googleapis#14381 
-
googleapis#14381 (comment)
-
googleapis#14381 (comment)
-
googleapis#14381 (comment)

Author: parthea

.generator/cli.py

@@ -849,8 +849,8 @@ def handle_release_init(
 
     Raises:
         ValueError: if the version in `release-init-request.json` is
-            the same as the version in state.yaml
-        ValueError: if the `release-init-request.json` file in the given
+            the same as the version in state.yaml or if the
+            `release-init-request.json` file in the given
             librarian directory cannot be read.
     """
 
@@ -880,8 +880,7 @@ def handle_release_init(
             if previous_version == version:
                 raise ValueError(
                     f"The version in {RELEASE_INIT_REQUEST_FILE} is the same as the version in {STATE_YAML_FILE}\n"
-                    f"{library_id} previous released version: {previous_version}\n"
-                    f"{library_id} current version: {version}\n"
+                    f"{library_id} version: {previous_version}\n"
                 )
 
             _update_version_for_library(repo, output, path_to_library, version)

.generator/test_cli.py

@@ -615,13 +615,6 @@ def test_handle_release_init_fail_value_error_version(mocker):
 
     mock_release_init_request_content = {
         "libraries": [
-            {
-                "id": "google-cloud-another-library",
-                "apis": [{"path": "google/cloud/another/library/v1"}],
-                "release_triggered": False,
-                "version": "1.2.3",
-                "changes": [],
-            },
             {
                 "id": "google-cloud-language",
                 "apis": [{"path": "google/cloud/language/v1"}],