Remove explicit dependency on commons-dbcp

This is exposed in the plugin API since version 2.14.3.

Change-Id: I2a6fc04dea958700125e5f5fd84d41a97944e4cd
diff --git a/BUILD b/BUILD
index 4fded0a..af8b40f 100644
--- a/BUILD
+++ b/BUILD
@@ -18,9 +18,6 @@
         "Implementation-Title: Verify Status Plugin",
         "Implementation-URL: https://gerrit-review.googlesource.com/#/admin/projects/plugins/verify-status",
     ],
-    provided_deps = [
-        "@commons-dbcp//jar:neverlink",
-    ],
     resources = glob(["src/main/**/*"]),
 )
 
diff --git a/WORKSPACE b/WORKSPACE
index 12a9504..5e4a849 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -32,9 +32,3 @@
 gerrit_gwt()
 
 load("@com_googlesource_gerrit_bazlets//tools:maven_jar.bzl", "maven_jar")
-
-maven_jar(
-    name = "commons-dbcp",
-    artifact = "commons-dbcp:commons-dbcp:1.4",
-    sha1 = "30be73c965cc990b153a100aaaaafcf239f82d39",
-)