remove flink 1.17 and 1.18

Author: turboFei

amoro-format-mixed/amoro-mixed-flink/pom.xml

@@ -37,10 +37,6 @@
         <module>amoro-mixed-flink-common</module>
         <module>amoro-mixed-flink-common-format</module>
         <module>amoro-mixed-flink-common-iceberg-bridge</module>
-        <module>v1.16/amoro-mixed-flink-1.16</module>
-        <module>v1.16/amoro-mixed-flink-runtime-1.16</module>
-        <module>v1.17/amoro-mixed-flink-1.17</module>
-        <module>v1.17/amoro-mixed-flink-runtime-1.17</module>
         <module>v1.18/amoro-mixed-flink-1.18</module>
         <module>v1.18/amoro-mixed-flink-runtime-1.18</module>
     </modules>