LUCENE-9914: remove stale file.

gradle/generation/unicode-props.gradle

@@ -1,87 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-def resources = scriptResources(buildscript)
-
-configure(rootProject) {
-  configurations {
-    icu_62
-    icu_68
-  }
-
-  dependencies {
-    icu_62 "com.ibm.icu:icu4j:62.2"
-    icu_68 "com.ibm.icu:icu4j:68.2"
-  }
-
-  // Exclude ICU config from palantir's version unification.
-  versionRecommendations {
-    excludeConfigurations "icu_68", "icu_62"
-  }
-}
-
-// Regenerates UnicodeProps.java
-configure(project(":lucene:analysis:common")) {
-  task generateUnicodeProps() {
-    def icuConfig = rootProject.configurations.icu_68
-    def outputFile = file("src/java/org/apache/lucene/analysis/util/UnicodeProps.java")
-
-    dependsOn icuConfig
-    outputs.file outputFile
-
-    doFirst {
-      project.javaexec {
-        main "groovy.lang.GroovyShell"
-        classpath icuConfig, rootProject.configurations.groovy
-
-        args = [
-            "--encoding", "UTF-8",
-            file("${resources}/GenerateUnicodeProps.groovy"),
-            outputFile
-        ]
-      }
-    }
-  }
-
-  regenerate.dependsOn wrapWithPersistentChecksums(generateUnicodeProps, [ andThenTasks: "spotlessApply" ])
-}
-
-configure(project(":lucene:core")) {
-  task generateEmojiProperties() {
-    def icuConfig = rootProject.configurations.icu_62
-    def outputFile = file("src/data/jflex/UnicodeEmojiProperties.jflex")
-
-    dependsOn icuConfig
-    outputs.file outputFile
-
-    doFirst {
-      println icuConfig.files
-      project.javaexec {
-        main "groovy.lang.GroovyShell"
-        classpath icuConfig, rootProject.configurations.groovy
-
-        args = [
-            "--encoding", "UTF-8",
-            file("${resources}/GenerateEmojiProperties.groovy"),
-            outputFile
-        ]
-      }
-    }
-  }
-
-  regenerate.dependsOn wrapWithPersistentChecksums(generateEmojiProperties)
-}