Do only show teams access for organization repositories, not for personal repositories (#8265)

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

templates/repo/settings/collaboration.tmpl

@@ -52,6 +52,7 @@
 			</form>
 		</div>
 
+		{{if .RepoOwnerIsOrganization}}
 		<h4 class="ui top attached header">
 			Teams
 		</h4>
@@ -108,6 +109,7 @@
 				</div>
 			{{end}}
 		</div>
+		{{end}}
 	</div>
 </div>