Disable outdate runtime check for developers builds

We can't update them properly anyway.

idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinPluginUtil.java

@@ -35,4 +35,8 @@ public class KotlinPluginUtil {
     public static boolean isSnapshotVersion() {
         return "@snapshot@".equals(getPluginVersion());
     }
+
+    public static boolean isDevVersion() {
+        return getPluginVersion().contains("-dev-");
+    }
 }

idea/idea-jvm/src/org/jetbrains/kotlin/idea/versions/OutdatedKotlinRuntimeChecker.kt

@@ -39,6 +39,7 @@ data class VersionedLibrary(val library: Library, val version: String?, val used
 fun findOutdatedKotlinLibraries(project: Project): List<VersionedLibrary> {
     val pluginVersion = KotlinPluginUtil.getPluginVersion()
     if (KotlinPluginUtil.isSnapshotVersion()) return emptyList() // plugin is run from sources, can't compare versions
+    if (KotlinPluginUtil.isDevVersion()) return emptyList()
     if (project.isDisposed) return emptyList()
 
     // user already clicked suppress