Fix photon-targetting being a seperate project (#1504)

Author: spacey-sooty

photon-targeting/build.gradle

@@ -1,14 +1,11 @@
-plugins {
-    id 'edu.wpi.first.WpilibTools' version '1.3.0'
-}
-
 ext {
     nativeName = "photontargeting"
 }
 
 apply plugin: 'cpp'
 apply plugin: 'google-test-test-suite'
 apply plugin: 'edu.wpi.first.NativeUtils'
+apply plugin: 'edu.wpi.first.WpilibTools'
 apply plugin: 'edu.wpi.first.GradleJni'
 
 apply from: "${rootDir}/shared/config.gradle"