Clean up source set configuration

Author: cketti

kotlin-codepoints-deluxe/build.gradle.kts

@@ -47,12 +47,13 @@ kotlin {
     watchosSimulatorArm64()
 
     sourceSets {
-        val commonMain by getting {
+        commonMain {
             dependencies {
                 api(project(":kotlin-codepoints"))
             }
         }
-        val commonTest by getting {
+        
+        commonTest {
             dependencies {
                 implementation(kotlin("test"))
             }

kotlin-codepoints/build.gradle.kts

@@ -49,15 +49,14 @@ kotlin {
     watchosSimulatorArm64()
 
     sourceSets {
-        val commonMain by getting
-        val commonTest by getting {
+        commonTest {
             dependencies {
                 implementation(kotlin("test"))
             }
         }
 
         val commonImplementation by creating {
-            dependsOn(commonMain)
+            dependsOn(commonMain.get())
         }
     }