Fix ratpack netty version

instrumentation/ratpack-1.7/javaagent/build.gradle.kts

@@ -6,7 +6,7 @@ muzzle {
   pass {
     group.set("io.ratpack")
     module.set("ratpack-core")
-    versions.set("[1.4.0,)")
+    versions.set("[1.7.0,)")
   }
 }
 
@@ -24,21 +24,3 @@ dependencies {
   }
 }
 
-// Requires old Guava. Can't use enforcedPlatform since predates BOM
-configurations.testRuntimeClasspath.resolutionStrategy.force("com.google.guava:guava:19.0")
-
-// to allow all tests to pass we need to choose a specific netty version
-if (!(findProperty("testLatestDeps") as Boolean)) {
-  configurations.configureEach {
-    if (!name.contains("muzzle")) {
-      resolutionStrategy {
-        eachDependency {
-          // specifying a fixed version for all libraries with io.netty group
-          if (requested.group == "io.netty") {
-            useVersion("4.1.31.Final")
-          }
-        }
-      }
-    }
-  }
-}

instrumentation/ratpack-1.7/library/build.gradle.kts

@@ -8,8 +8,6 @@ dependencies {
 
   testImplementation(project(":instrumentation:ratpack-1.7:testing"))
 
-  // 1.4.0 has a bug which makes tests flaky
-  // (https://github.com/ratpack/ratpack/commit/dde536ac138a76c34df03a0642c88d64edde688e)
   testLibrary("io.ratpack:ratpack-test:1.7.0")
   testLibrary("io.ratpack:ratpack-guice:1.7.0")
 
@@ -18,18 +16,3 @@ dependencies {
   }
 }
 
-// to allow all tests to pass we need to choose a specific netty version
-if (!(findProperty("testLatestDeps") as Boolean)) {
-  configurations.configureEach {
-    if (!name.contains("muzzle")) {
-      resolutionStrategy {
-        eachDependency {
-          // specifying a fixed version for all libraries with io.netty group
-          if (requested.group == "io.netty") {
-            useVersion("4.1.63.Final")
-          }
-        }
-      }
-    }
-  }
-}