fix: code style

Author: long76

servlet/src/main/java/io/grpc/servlet/GrpcServlet.java

@@ -63,7 +63,8 @@ private String getMethod(HttpServletRequest req) {
     Boolean removeContextPath = Boolean.parseBoolean(getInitParameter(REMOVE_CONTEXT_PATH));
     String method = req.getRequestURI();
     if (removeContextPath) {
-      method = method.substring(req.getContextPath().length()); // remove Context Path from application server
+      // remove context path used in application server
+      method = method.substring(req.getContextPath().length());
     }
     return method.substring(1); // remove the leading "/"
   }

servlet/src/main/java/io/grpc/servlet/ServletAdapter.java

@@ -111,7 +111,8 @@ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOExc
    * <p>Do not modify {@code req} and {@code resp} before or after calling this method. However,
    * calling {@code resp.setBufferSize()} before invocation is allowed.
    */
-  public void doPost(String method, HttpServletRequest req, HttpServletResponse resp) throws IOException {
+  public void doPost(String method, HttpServletRequest req, HttpServletResponse resp)
+      throws IOException {
     checkArgument(req.isAsyncSupported(), "servlet does not support asynchronous operation");
     checkArgument(ServletAdapter.isGrpc(req), "the request is not a gRPC request");