Build cleanup & correcting the sources jar classifier (#65)

Author: jkwatson

build.gradle

@@ -6,8 +6,6 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.2.1"
-        classpath 'com.vanniktech:gradle-maven-publish-plugin:0.16.0'
-
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

sample-app/build.gradle

@@ -56,6 +56,4 @@ dependencies {
     implementation project(":splunk-otel-android")
 
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }

splunk-otel-android/build.gradle

@@ -68,7 +68,7 @@ dependencies {
 
 task sourcesJar(type: Jar) {
     from android.sourceSets.main.java.srcDirs
-    archiveClassifier.set("source")
+    archiveClassifier.set("sources")
 }
 
 publishing {