Remove missing artifacts from shading

These were not being included and were unused.

Author: PseudoKnight

pom.xml

@@ -579,11 +579,7 @@
 									<include>org.apache.oltu.oauth2:org.apache.oltu.oauth2.client:jar:*</include>
 									<include>org.brotli:dec:jar:*</include>
 									<include>org.eclipse.lsp4j:org.eclipse.lsp4j:jar:*</include>
-									<include>org.eclipse.lsp4j:org.eclipse.lsp4j.generator:jar:*</include>
 									<include>org.eclipse.lsp4j:org.eclipse.lsp4j.jsonrpc:jar:*</include>
-									<include>org.eclipse.xtend:org.eclipse.xtend.lib:jar:*</include>
-									<include>org.eclipse.xtend:org.eclipse.xtend.lib.macro:jar:*</include>
-									<include>org.eclipse.xtext:org.eclipse.xtext.xbase.lib:jar:*</include>
 									<!-- We don't currently actually depend on these 2, but lsp4j does, so we
 									need to shade it in. In the future, we may rip out org.json:json,
 									and replace it with this, however, in which case we only need to
@@ -848,15 +844,6 @@
 										<exclude>META-INF/**</exclude>
 									</excludes>
 								</filter>
-								<filter>
-									<artifact>org.eclipse.lsp4j:org.eclipse.lsp4j.generator:jar:*</artifact>
-									<includes>
-										<include>**</include>
-									</includes>
-									<excludes>
-										<exclude>META-INF/**</exclude>
-									</excludes>
-								</filter>
 								<filter>
 									<artifact>org.eclipse.lsp4j:org.eclipse.lsp4j.jsonrpc:jar:*</artifact>
 									<includes>
@@ -866,33 +853,6 @@
 										<exclude>META-INF/**</exclude>
 									</excludes>
 								</filter>
-								<filter>
-									<artifact>org.eclipse.xtend:org.eclipse.xtend.lib:jar:*</artifact>
-									<includes>
-										<include>**</include>
-									</includes>
-									<excludes>
-										<exclude>META-INF/**</exclude>
-									</excludes>
-								</filter>
-								<filter>
-									<artifact>org.eclipse.xtend:org.eclipse.xtend.lib.macro:jar:*</artifact>
-									<includes>
-										<include>**</include>
-									</includes>
-									<excludes>
-										<exclude>META-INF/**</exclude>
-									</excludes>
-								</filter>
-								<filter>
-									<artifact>org.eclipse.xtext:org.eclipse.xtext.xbase.lib:jar:*</artifact>
-									<includes>
-										<include>**</include>
-									</includes>
-									<excludes>
-										<exclude>META-INF/**</exclude>
-									</excludes>
-								</filter>
 								<filter>
 									<artifact>com.google.code.gson:gson:jar:*</artifact>
 									<includes>