Remove kotlin-inline-logger's repository

It is now available in Maven Central.

pom.xml

@@ -54,17 +54,6 @@
   </properties>
 
   <repositories>
-    <repository>
-      <id>michaelbull</id>
-      <name>Michael Bull</name>
-      <url>https://dl.bintray.com/michaelbull/maven/</url>
-      <releases>
-        <enabled>true</enabled>
-      </releases>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </repository>
     <repository>
       <id>openrs2</id>
       <name>OpenRS2</name>