Remove forced junit resolution strategy

By looking at the Gradle scan's dependency tab, junit 4.12  is already replaced by 4.13.2.
There is no need to manually force this at the configuration level.

app/build.gradle.kts

@@ -121,10 +121,3 @@ dependencies {
     implementation(libs.androidx.profileinstaller)
     implementation(libs.coil.kt)
 }
-
-// androidx.test is forcing JUnit, 4.12. This forces it to use 4.13
-configurations.configureEach {
-    resolutionStrategy {
-        force(libs.junit4)
-    }
-}

build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt

@@ -21,7 +21,6 @@ import com.google.samples.apps.nowinandroid.configureGradleManagedDevices
 import com.google.samples.apps.nowinandroid.configureKotlinAndroid
 import com.google.samples.apps.nowinandroid.configurePrintApksTask
 import com.google.samples.apps.nowinandroid.disableUnnecessaryAndroidTests
-import com.google.samples.apps.nowinandroid.libs
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.kotlin.dsl.configure
@@ -46,11 +45,6 @@ class AndroidLibraryConventionPlugin : Plugin<Project> {
                 configurePrintApksTask(this)
                 disableUnnecessaryAndroidTests(target)
             }
-            configurations.configureEach {
-                resolutionStrategy {
-                    force(libs.findLibrary("junit4").get())
-                }
-            }
             dependencies {
                 add("androidTestImplementation", kotlin("test"))
                 add("testImplementation", kotlin("test"))