Move mvn install files

Author: simontoens

.pomgenrc

@@ -1,2 +1,2 @@
 [general]
-maven_install_paths=maven_install.json,antlr_install.json
+maven_install_paths=examples/maven_install/*.json

WORKSPACE

@@ -36,7 +36,7 @@ maven_install(
     strict_visibility = False,
     generate_compat_repositories = False,
     # to regenerate the pinned file: bazel run @unpinned_maven//:pin
-    maven_install_json = "//:maven_install.json",
+    maven_install_json = "//examples/maven_install:maven_install.json",
     resolve_timeout = 1800,
 )
 
@@ -60,7 +60,7 @@ maven_install(
     strict_visibility = True,
     generate_compat_repositories = False,
     # to regenerate the pinned file: bazel run @unpinned_antlr//:pin
-    maven_install_json = "//:antlr_install.json",
+    maven_install_json = "//examples/maven_install:antlr_install.json",
     resolve_timeout = 1800,
 )