Remove matrix nginx entry

src/freedombone-app-matrix

                   DEFAULT_DOMAIN_NAME)
 
 function matrix_nginx {
-    matrix_proxy_str='
-    location /matrix {
-        proxy_pass https://localhost:8448;
-        proxy_buffering on;
+    matrix_proxy_str=' \
+    location /matrix { \
+        proxy_pass https://localhost:8448; \
+        proxy_buffering on; \
     }'
 
     if [ ! -f /etc/nginx/sites-available/${DEFAULT_DOMAIN_NAME} ]; then
     delgroup matrix
     remove_onion_service matrix ${MATRIX_PORT}
 
+    sed -i "/location \/matrix {/,/}/d" /etc/nginx/sites-available/${DEFAULT_DOMAIN_NAME}
+    systemctl restart nginx
+
     remove_completion_param install_matrix
     sed -i '/matrix/d' $COMPLETION_FILE
 }