chore: remove 2015 reference (openemr#11083)

<!--Thanks for sending a pull request!
Please create an issue at
https://github.com/openemr/openemr/issues/new/choose and then
-->

<!-- add that issue number that is fixed by this PR (In the form Fixes
openemr#123) -->
Fixes #

<!-- PR title must follow Conventional Commits: type(scope): description
Examples: feat(api): add patient search, fix(calendar): correct date
parsing
See CONTRIBUTING.md for details -->

#### Short description of what this resolves:


#### Changes proposed in this pull request:

#### Does your code include anything generated by an AI Engine? Yes / No

#### If you answered yes: Verify that each file that has AI generated
code has a description that describes what AI engine was used and that
the file includes AI generated code. Sections of code that are entirely
or mostly generated by AI should be marked with a comment header and
footer that includes the AI engine used and stating the code was AI.

Author: stephenwaite

Documentation/EHI_Export/schemaspy/layout/main.html

@@ -16,7 +16,7 @@ <h4>EHI Export Format For {{databaseName}}{{#schemaName}}.{{schemaName}}{{/schem
                                     <h3 class="box-title">Documentation Explanation</h3>
                                 </div>
                                 <div class="box-body">
-                                    <p>This is the documentation for the ONC (2015) §170.315(b)(10) Electronic Health Information export feature in OpenEMR</p>
+                                    <p>This is the documentation for the ONC §170.315(b)(10) Electronic Health Information export feature in OpenEMR</p>
                                     <p>The Electronic Health Information Export files are all contained inside a zip folder where each zip contains a batch of 1 or more patients.  A single patient export will contain only 1 patient in the batch.</p>
                                     <p>Zips are between aproximately 1MB-4GB in size which is configurable at the time of export.  Each zip file is structured as follows</p>
                                     <p><b>ehi-export-&lt;UNIQUEID&gt;.zip</b></p>