Native: remove bitcode embedding from tests

Xcode 14 deprecates bitcode embedding, and Xcode 15 removes support
for it. Therefore, testing bitcode embedding in Kotlin doesn't make
much sense.

This commit removes most of test code that enables bitcode.

^KT-61875

kotlin-native/backend.native/tests/build.gradle

@@ -4999,7 +4999,6 @@ Task frameworkTest(String name, Closure<FrameworkTest> configurator) {
                             UtilsKt.dependsOnKonanBuildingTask(task, library, target)
                         }
 
-                        extraOpts fr.bitcode ? "-Xembed-bitcode" : "-Xembed-bitcode-marker"
                         if (fr.isStatic) extraOpts "-Xstatic-framework"
                         extraOpts fr.opts
                         extraOpts project.globalTestArgs
@@ -5096,7 +5095,6 @@ Task objcExportTest(
             sources = ['objcexport']
             libraries = [libraryName, noEnumEntriesLibraryName]
             artifact = 'Kt'
-            bitcode = !isStaticFramework
             isStatic = isStaticFramework
             if (needLazyHeaderCheck) {
                 opts += "-Xemit-lazy-objc-header=$lazyHeader"
@@ -5187,9 +5185,7 @@ if (isAppleTarget(project)) {
     frameworkTest("testStdlibFramework") {
         framework('Stdlib') {
             sources = ['framework/stdlib']
-            bitcode = true
         }
-        if (cacheTesting == null) fullBitcode = true
         swiftSources = ['framework/stdlib/']
     }
 
@@ -5198,11 +5194,9 @@ if (isAppleTarget(project)) {
     } else frameworkTest("testMultipleFrameworks") {
         framework('First') {
             sources = ['framework/multiple/framework1', 'framework/multiple/shared']
-            bitcode = true
         }
         framework('Second') {
             sources = ['framework/multiple/framework2', 'framework/multiple/shared']
-            bitcode = true
         }
         swiftSources = ['framework/multiple']
     }
@@ -5217,14 +5211,12 @@ if (isAppleTarget(project)) {
         framework('FirstStatic') {
             artifact = 'First'
             sources = ['framework/multiple/framework1', 'framework/multiple/shared']
-            bitcode = true
             isStatic = true
             opts = ['-Xstatic-framework', "-Xpre-link-caches=enable"]
         }
         framework('SecondStatic') {
             artifact = 'Second'
             sources = ['framework/multiple/framework2', 'framework/multiple/shared']
-            bitcode = true
             isStatic = true
             opts = ['-Xstatic-framework', "-Xpre-link-caches=enable"]
         }