remove blank line in changelog

Author: kelsi-hoyle

CHANGELOG.md

@@ -20,7 +20,6 @@ BUG FIXES:
 * `r/tfe_workspace`: fixed documentation Example Usages to use the `tfe_organization.test-organization.name` as organization name 
 * `r/tfe_workspace_run`: fixed documentation Example Usages to use the `tfe_organization.test-organization.name` as organization name 
 
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 ## v0.68.2
 
 BUG FIXES:
@@ -39,7 +38,6 @@ FEATURES:
 
 * `r/tfe_workspace_settings`: offers more arguments for managing the workspace configuration, by @drewmullen [#1781](https://github.com/hashicorp/terraform-provider-tfe/pull/1781)
 
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 ## v0.67.1
 
 BUG FIXES: