Revert "[dataflowengineoss] refine return value semantics honouring (j…

…oernio#4680)"

This reverts commit 195f015.

joern-cli/frontends/pysrc2cpg/src/test/scala/io/joern/pysrc2cpg/dataflow/DataFlowTests.scala

@@ -91,7 +91,7 @@ class DataFlowTests extends PySrc2CpgFixture(withOssDataflow = true) {
     flows shouldBe empty
   }
 
-  "no flow from aliased literal to imported external method call return value given argument1-only semantics" in {
+  "no flow from aliased literal to imported external method call return value given argument1-only semantics" ignore {
     val cpg = code("""
         |from helpers import foo
         |a = 20
@@ -104,7 +104,7 @@ class DataFlowTests extends PySrc2CpgFixture(withOssDataflow = true) {
     flows shouldBe empty
   }
 
-  "no flow from literal to imported external method return value given empty semantics" in {
+  "no flow from literal to imported external method return value given empty semantics" ignore {
     val cpg = code("""
         |from helpers import foo
         |print(foo(20))
@@ -116,7 +116,7 @@ class DataFlowTests extends PySrc2CpgFixture(withOssDataflow = true) {
     flows shouldBe empty
   }
 
-  "no flow from literal to imported external method return value given receiver-only semantics" in {
+  "no flow from literal to imported external method return value given receiver-only semantics" ignore {
     val cpg = code("""
         |from helpers import foo
         |print(foo(20))
@@ -128,7 +128,7 @@ class DataFlowTests extends PySrc2CpgFixture(withOssDataflow = true) {
     flows shouldBe empty
   }
 
-  "no flow from literal to imported external method return value given argument1-only semantics" in {
+  "no flow from literal to imported external method return value given argument1-only semantics" ignore {
     val cpg = code("""
         |from helpers import foo
         |print(foo(20))