Fix: Remove the max token parameter. #5640 #5646 (#5693)

### What problem does this PR solve?

Fix: Remove the max token parameter. #5640 #5646

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/components/llm-setting-items/index.tsx

               </Form.Item>
             </Flex>
           </Form.Item>
-          <Form.Item
-            label={t('maxTokens')}
-            tooltip={t('maxTokensTip')}
-            {...formItemLayout}
-          >
-            <Flex gap={20} align="center">
-              <Form.Item
-                name={'maxTokensEnabled'}
-                valuePropName="checked"
-                noStyle
-              >
-                <Switch size="small" />
-              </Form.Item>
-              <Form.Item noStyle dependencies={['maxTokensEnabled']}>
-                {({ getFieldValue }) => {
-                  const disabled = !getFieldValue('maxTokensEnabled');
-
-                  return (
-                    <>
-                      <Flex flex={1}>
-                        <Form.Item
-                          name={[...memorizedPrefix, 'max_tokens']}
-                          noStyle
-                        >
-                          <Slider
-                            className={styles.variableSlider}
-                            max={128000}
-                            disabled={disabled}
-                          />
-                        </Form.Item>
-                      </Flex>
-                      <Form.Item
-                        name={[...memorizedPrefix, 'max_tokens']}
-                        noStyle
-                      >
-                        <InputNumber
-                          disabled={disabled}
-                          className={styles.sliderInputNumber}
-                          max={128000}
-                          min={0}
-                        />
-                      </Form.Item>
-                    </>
-                  );
-                }}
-              </Form.Item>
-            </Flex>
-          </Form.Item>
         </div>
       </div>
     </>