test: remove duplicated cases in permission fs-read fixture

The fs.createReadStream(blockedFile) and fs.lstatSync(bufferBlockedFile)
assertions were each present twice in the same block with identical
arguments and expectations, so the second copy added no coverage.

Signed-off-by: RafaelGSS <rafael.nunu@hotmail.com>

Author: RafaelGSS

test/fixtures/permission/fs-read.js

@@ -76,17 +76,6 @@ const regularFile = __filename;
     permission: 'FileSystemRead',
     resource: path.toNamespacedPath(blockedFile),
   })).then(common.mustCall());
-
-  assert.rejects(() => {
-    return new Promise((_resolve, reject) => {
-      const stream = fs.createReadStream(blockedFile);
-      stream.on('error', reject);
-    });
-  }, common.expectsError({
-    code: 'ERR_ACCESS_DENIED',
-    permission: 'FileSystemRead',
-    resource: path.toNamespacedPath(blockedFile),
-  })).then(common.mustCall());
 }
 
 // fs.stat
@@ -711,11 +700,6 @@ const regularFile = __filename;
   }, common.expectsError({
     code: 'ERR_ACCESS_DENIED',
   }));
-  assert.throws(() => {
-    fs.lstatSync(bufferBlockedFile);
-  }, common.expectsError({
-    code: 'ERR_ACCESS_DENIED',
-  }));
 
   // doesNotThrow
   fs.lstat(regularFile, (err) => {