Remove unused test classes

lib/src/test/java/me/lortseam/completeconfig/test/data/containers/ContainerWithNonAnnotatedContainerWithEntry.java

@@ -1,15 +0,0 @@
-package me.lortseam.completeconfig.test.data.containers;
-
-import me.lortseam.completeconfig.api.ConfigContainer;
-import me.lortseam.completeconfig.api.ConfigEntry;
-
-public class ContainerWithNonAnnotatedContainerWithEntry implements ConfigContainer {
-
-    private final ConfigContainer nonAnnotatedContainer = new ConfigContainer() {
-
-        @ConfigEntry
-        private boolean entry;
-
-    };
-
-}

lib/src/test/java/me/lortseam/completeconfig/test/data/groups/GroupWithEntry.java

@@ -1,11 +0,0 @@
-package me.lortseam.completeconfig.test.data.groups;
-
-import me.lortseam.completeconfig.api.ConfigEntry;
-import me.lortseam.completeconfig.api.ConfigGroup;
-
-public class GroupWithEntry implements ConfigGroup {
-
-    @ConfigEntry
-    private boolean entry;
-
-}