Dropped minecraft-common scope

- Generation revision no longer requires the removed minecraft-common sources
- Modded shared inputs drop the removed module
- Loader source sets no longer add the removed module
- README points shared Minecraft-native code at VolmLib

adapters/forge/build.gradle

@@ -91,7 +91,6 @@ sourceSets {
     main {
         java {
             srcDir '../modded-common/src/main/java'
-            srcDir '../minecraft-common/src/main/java'
             srcDir '../client-common/src/main/java'
         }
         resources {