[tests] CPU plugin, enable SimpleIfTest (openvinotoolkit#27567)

### Details:
- Enable simple `If` test for CPU plugin, Test pass as tensor names are
not checked.
- PR openvinotoolkit#25954 fixes issue with tensor names for `unroll_if` transformation
when `If` operator has got simple body like `Parameter -> Result`
 

### Tickets:
 - CVS-114763

Signed-off-by: Raasz, Pawel <[email protected]>

src/plugins/intel_cpu/tests/functional/shared_tests_instances/skip_tests_config.cpp

@@ -159,8 +159,6 @@ std::vector<std::string> disabledTestPatterns() {
         R"(.*InferRequestPreprocessTest.*SetPreProcessToInferRequest.*)",
         // Plugin version was changed to ov::Version
         R"(.*VersionTest.pluginCurrentVersionIsCorrect.*)",
-        // Issue: 113703, 114763
-        R"(.*smoke_If/SimpleIfTest.*Cond=0.*)",
         // Issue: 114765
         R"(.*smoke_PSROIPoolingAverageLayoutTest/PSROIPoolingLayerCPUTest.*bf16.*)",
         R"(.*smoke_PSROIPoolingBilinearLayoutTest/PSROIPoolingLayerCPUTest.*bf16.*)",