Revert "License header check"

This reverts commit ae37054.

README.md

@@ -99,36 +99,6 @@ The custom hadoop configurations can be passed in with the `--hadoopConfig [cust
 The config in custom hadoop config file will override the default hadoop configurations. For an example
 of a custom hadoop config file, see [hadoop.xml](https://xtable.apache.org/docs/fabric#step-2-translate-source-table-to-delta-lake-format-using-apache-xtable-incubating).
 
-# New file type spotless automatic formatting and modification operation
-
-When a new type of file is merged into the warehouse, it is possible that the `spotless-maven-plugin` will not add the license header by default, and when it is detected by ci and prompted to add the `license header`, what we have to do is to modify the project. The modified part of `pom.xml` under the root path is as follows:
-
-```xml
-<formats>
- <format>
- <includes>
- <include>**/*.properties</include>
- <include>**/*.config</include>
- </includes>
- <excludes>
- <exclude>demo/data/**</exclude>
- <exclude>${target.dir.pattern}</exclude>
- <exclude>website/node_modules/**</exclude>
- <exclude>website/build/**</exclude>
- <exclude>website/.docusaurus/**</exclude>
- </excludes>
- <licenseHeader>
- <file>style/text-license-header</file>
- <delimiter>(^[a-zA-Z0-9_-]|^#[a-zA-Z0-9_-]|^##.+?$)</delimiter>
- </licenseHeader>
- </format>
-</formats>
-```
-
-Newly added file types need to be added in `include`
-
-And execute mvn spotless:check to verify
-
 # Contributing
 ## Setup
 For setting up the repo on IntelliJ, open the project and change the java version to Java11 in File->ProjectStructure