Revert "Convert MavenFileRepository"

This reverts commit c15be97.

src/funcTest/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/maven/MavenFileRepository.groovy

@@ -0,0 +1,23 @@
+package com.github.jengelman.gradle.plugins.shadow.util.repo.maven
+
+/**
+ * A fixture for dealing with file Maven repositories.
+ */
+class MavenFileRepository implements MavenRepository {
+    final File rootDir
+
+    MavenFileRepository(File rootDir) {
+        this.rootDir = rootDir
+    }
+
+    @Override
+    URI getUri() {
+        return rootDir.toURI()
+    }
+
+    @Override
+    MavenFileModule module(String groupId, String artifactId, String version = '1.0') {
+        def artifactDir = rootDir.resolve("${groupId.replace('.', '/')}/$artifactId/$version")
+        return new MavenFileModule(artifactDir, groupId, artifactId, version as String)
+    }
+}