[TEST] Removed skip regex sections as all the runners implemented the feature

rest-api-spec/test/cat.aliases/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex
-
 ---
 "Help":
   - do:

rest-api-spec/test/cat.allocation/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex
-
 ---
 "Help":
   - do:

rest-api-spec/test/cat.count/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex
-
 ---
 "Test cat count help":
   - do:

rest-api-spec/test/cat.recovery/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex 
-
 ---
 "Test cat recovery output":
 

rest-api-spec/test/cat.shards/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex
-
 ---
 "Test cat shards output":
 

rest-api-spec/test/cat.thread_pool/10_basic.yaml

@@ -1,8 +1,3 @@
----
-setup:
-  - skip:
-      features: regex
-
 ---
 "Test cat thread_pool output":
 

src/test/java/org/elasticsearch/test/rest/support/Features.java

@@ -33,7 +33,7 @@ import java.util.List;
  */
 public final class Features {
 
-    private static final List<String> SUPPORTED = Lists.newArrayList("regex", "gtelte");
+    private static final List<String> SUPPORTED = Lists.newArrayList("gtelte");
 
     private Features() {