build: remove unused test-app submodule

.gitmodules

-[submodule "jadx-test-app/test-app"]
-	path = jadx-test-app/test-app
-	url = git://github.com/skylot/jadx-test-app.git

build.gradle

@@ -100,7 +100,7 @@ spotless {
 	}
 	format 'misc', {
 		target '**/*.gradle', '**/*.md', '**/*.xml', '**/.gitignore', '**/.properties'
-		targetExclude "jadx-test-app/test-app/**", ".gradle/**", ".idea/**"
+		targetExclude ".gradle/**", ".idea/**"
 
 		lineEndings(LineEnding.UNIX)
 		encoding("UTF-8")
@@ -152,10 +152,6 @@ task samples(dependsOn: 'jadx-samples:samples') {
 	group 'jadx'
 }
 
-task testAppCheck(dependsOn: 'jadx-test-app:testAppCheck') {
-	group 'jadx'
-}
-
 task cleanBuildDir(type: Delete) {
 	group 'jadx'
 	delete buildDir

jadx-test-app/README.md

-### Run jadx on test android application
-
-This module contains build scripts for test recompilation of simple android app from:
-https://github.com/skylot/jadx-test-app
-
-For run tests type follow commands in jadx root directory:
-
-```java
-git submodule init
-git submodule update
-./gradlew testAppCheck
-```
-
-Note: You will need connected device or emulator for success

jadx-test-app/build.gradle

-ext {
-    testAppDir = 'test-app'
-    testAppTmpDir = 'test-app-tmp'
-
-    tmpBuildFile = "${testAppTmpDir}/build.gradle"
-    apkFile = "${testAppTmpDir}/build/outputs/apk/test-app-tmp-debug.apk"
-    outCodeDir = "${testAppTmpDir}/src/main"
-    checkTask = 'connectedCheck'
-}
-
-dependencies {
-    compile(project(":jadx-cli"))
-}
-
-task deleteTmp(type:Delete) {
-    delete testAppTmpDir
-}
-
-task copyApp(type:Copy, dependsOn: deleteTmp) {
-    from testAppDir
-    into testAppTmpDir
-}
-
-task buildApp(type:Exec, dependsOn: copyApp) {
-    workingDir testAppTmpDir
-    commandLine "./gradlew clean build ${checkTask}".split(' ')
-}
-
-task removeSource(type:Delete, dependsOn: buildApp) {
-    delete outCodeDir
-}
-
-task runJadx(type: JavaExec, dependsOn: removeSource) {
-    classpath = sourceSets.main.output + configurations.compile
-    main = project(':jadx-cli').mainClassName
-    args = ['-d', testAppTmpDir, apkFile, '-v', '-e']
-}
-
-task decompile(dependsOn: runJadx) {
-    doLast {
-        injectDependencies()
-    }
-}
-
-def injectDependencies() {
-    def fileContent = file(tmpBuildFile).getText('UTF-8')
-    def updatedContent = fileContent.replaceAll(
-            '// some dependencies',
-            """
-    androidTestCompile 'junit:junit:4.12'
-    androidTestCompile 'org.hamcrest:hamcrest-library:1.3'
-            """)
-    file(tmpBuildFile).write(updatedContent, 'UTF-8')
-}
-
-task runChecks(type:Exec, dependsOn: decompile) {
-    workingDir testAppTmpDir
-    commandLine "./gradlew clean build ${checkTask}".split(' ')
-}
-
-task testAppCheck(dependsOn: runChecks) {
-    doFirst {
-        def buildFile = file(buildFile)
-        if (!buildFile.exists() || !buildFile.isFile()) {
-            throw new StopExecutionException("Test app not found")
-        }
-    }
-}
-
-clean.dependsOn deleteTmp

test-app @ 2f34a777

-Subproject commit 2f34a777adf9c4b303e2627c95a41d28204bdc4c

settings.gradle

@@ -4,4 +4,3 @@ include 'jadx-core'
 include 'jadx-cli'
 include 'jadx-gui'
 include 'jadx-samples'
-include 'jadx-test-app'