#2564 Remove eclipse compiler from poms (fullwall)

v1_16_R3/pom.xml
v1_18_R2/pom.xml
v1_19_R1/pom.xml
main/src/main/java/net/citizensnpcs/util/NMS.java
main/src/main/resources/messages_en.properties
v1_15_R1/pom.xml
v1_17_R1/pom.xml
main/src/main/java/net/citizensnpcs/util/Messages.java
v1_14_R1/pom.xml
dist/pom.xml
main/src/main/java/net/citizensnpcs/Citizens.java