Remove eclipse compiler for Paper-API

Fixes building with JDK9

Spigot-API-Patches/0067-Remove-eclipse-compiler-we-require-a-JDK-anyways.patch

@@ -0,0 +1,33 @@
+From d8ba17cf36bb9c2084405a57609c3e434b78b012 Mon Sep 17 00:00:00 2001
+From: DemonWav <demonwav@gmail.com>
+Date: Fri, 22 Sep 2017 20:11:42 -0500
+Subject: [PATCH] Remove eclipse compiler, we require a JDK anyways Fixes
+ building with JDK 9
+
+
+diff --git a/pom.xml b/pom.xml
+index a775f4ed..3ce500f8 100644
+--- a/pom.xml
++++ b/pom.xml
+@@ -150,18 +150,6 @@
+                 <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-compiler-plugin</artifactId>
+                 <version>3.7.0</version>
+-                <configuration>
+-                    <!-- we use the Eclipse compiler as it doesn't need a JDK -->
+-                    <compilerId>eclipse</compilerId>
+-                </configuration>
+-                <dependencies>
+-                    <!-- we need our custom version as it fixes some bugs on case sensitive file systems -->
+-                    <dependency>
+-                        <groupId>org.codehaus.plexus</groupId>
+-                        <artifactId>plexus-compiler-eclipse</artifactId>
+-                        <version>2.8.2-spigotmc</version>
+-                    </dependency>
+-                </dependencies>
+             </plugin>
+             <plugin>
+                 <groupId>org.apache.maven.plugins</groupId>
+-- 
+2.14.1
+