Delete the last line on the License because Worldline was open sourced and no need that line anymore.

Jinainlyu · web-flow · commit 96018265e3ff · 2024-03-29T18:58:14.000+08:00
diff --git a/LICENSE.txt b/LICENSE.txt
@@ -19,5 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
-This license covers both OpenUtau source code and Worldline prebuilt binaries.
