KTOR-3419 Apply Ktor Gradle plugin to sample project and remove specific versions for artifacts

Author: VGoncharova

postgres/build.gradle.kts

@@ -1,4 +1,3 @@
-val ktor_version: String by project
 val kotlin_version: String by project
 val logback_version: String by project
 
@@ -22,15 +21,14 @@ repositories {
 }
 
 dependencies {
-    implementation("io.ktor:ktor-server-core-jvm:$ktor_version")
-    implementation("io.ktor:ktor-server-content-negotiation-jvm:$ktor_version")
-    implementation("io.ktor:ktor-serialization-kotlinx-json-jvm:$ktor_version")
-    implementation("io.ktor:ktor-server-netty-jvm:$ktor_version")
+    implementation("io.ktor:ktor-server-core-jvm")
+    implementation("io.ktor:ktor-server-content-negotiation-jvm")
+    implementation("io.ktor:ktor-serialization-kotlinx-json-jvm")
+    implementation("io.ktor:ktor-server-netty-jvm")
     implementation("ch.qos.logback:logback-classic:$logback_version")
-    implementation("io.ktor:ktor-server-config-yaml:$ktor_version")
+    implementation("io.ktor:ktor-server-config-yaml")
     implementation("org.postgresql:postgresql:42.5.1")
-    implementation("com.h2database:h2:2.1.214")
-    testImplementation("io.ktor:ktor-server-tests-jvm:$ktor_version")
+    testImplementation("io.ktor:ktor-server-tests-jvm")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version")
 }
 

postgres/gradle.properties

@@ -1,4 +1,3 @@
-ktor_version=2.2.3
 kotlin_version=1.8.10
 logback_version=1.2.11
 kotlin.code.style=official