Remove references to deprecated -v flag for yarn config (#6878)

## What's the problem this PR addresses?

The `-v` flag for `yarn config` has been deprecated since #5713, but two
error messages still reference it.

...

## How did you fix it?

I edited the error message text.

...

## Checklist

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---------

Co-authored-by: Maël Nison <[email protected]>

Author: ItsHarper

.yarn/versions/54cad781.yml

@@ -0,0 +1,35 @@
+releases:
+  "@yarnpkg/cli": patch
+  "@yarnpkg/core": patch
+
+declined:
+  - "@yarnpkg/plugin-compat"
+  - "@yarnpkg/plugin-constraints"
+  - "@yarnpkg/plugin-dlx"
+  - "@yarnpkg/plugin-essentials"
+  - "@yarnpkg/plugin-exec"
+  - "@yarnpkg/plugin-file"
+  - "@yarnpkg/plugin-git"
+  - "@yarnpkg/plugin-github"
+  - "@yarnpkg/plugin-http"
+  - "@yarnpkg/plugin-init"
+  - "@yarnpkg/plugin-interactive-tools"
+  - "@yarnpkg/plugin-jsr"
+  - "@yarnpkg/plugin-link"
+  - "@yarnpkg/plugin-nm"
+  - "@yarnpkg/plugin-npm"
+  - "@yarnpkg/plugin-npm-cli"
+  - "@yarnpkg/plugin-pack"
+  - "@yarnpkg/plugin-patch"
+  - "@yarnpkg/plugin-pnp"
+  - "@yarnpkg/plugin-pnpm"
+  - "@yarnpkg/plugin-stage"
+  - "@yarnpkg/plugin-typescript"
+  - "@yarnpkg/plugin-version"
+  - "@yarnpkg/plugin-workspace-tools"
+  - "@yarnpkg/builder"
+  - "@yarnpkg/doctor"
+  - "@yarnpkg/extensions"
+  - "@yarnpkg/nm"
+  - "@yarnpkg/pnpify"
+  - "@yarnpkg/sdks"

packages/yarnpkg-core/sources/Configuration.ts

@@ -847,7 +847,7 @@ function parseShape(configuration: Configuration, path: string, valueBase: unkno
     const subDefinition = definition.properties[propKey];
 
     if (!subDefinition)
-      throw new UsageError(`Unrecognized configuration settings found: ${path}.${propKey} - run "yarn config -v" to see the list of settings supported in Yarn`);
+      throw new UsageError(`Unrecognized configuration settings found: ${path}.${propKey} - run "yarn config" to see the list of settings supported in Yarn`);
 
     result.set(propKey, parseValue(configuration, subPath, propValue, definition.properties[propKey], folder));
   }
@@ -1641,7 +1641,7 @@ export class Configuration {
           : false;
 
         if (strict && !isHomeRcFile) {
-          throw new UsageError(`Unrecognized or legacy configuration settings found: ${key} - run "yarn config -v" to see the list of settings supported in Yarn`);
+          throw new UsageError(`Unrecognized or legacy configuration settings found: ${key} - run "yarn config" to see the list of settings supported in Yarn`);
         } else {
           this.invalid.set(key, source);
           continue;