Python: Minor cleanup

python/ql/src/semmle/python/Files.qll

@@ -74,7 +74,7 @@ class File extends Container {
   string getContents() { file_contents(this, result) }
 
   /** Holds if this file is likely to get executed directly, and thus act as an entry point for execution. */
-  predicate maybeExecutedDirectly() {
+  predicate isPossibleEntryPoint() {
     // Only consider files in the source code, and not things like the standard library
     exists(this.getRelativePath()) and
     (
@@ -148,9 +148,6 @@ class Folder extends Container {
     this.getBaseName().regexpMatch("[^\\d\\W]\\w*") and
     result = this.getParent().getImportRoot(n)
   }
-
-  /** Holds if execution may start in a file in this directory. */
-  predicate mayContainEntryPoint() { any(File f | f.getParent() = this).maybeExecutedDirectly() }
 }
 
 /**

python/ql/src/semmle/python/Module.qll

@@ -211,7 +211,7 @@ private predicate transitively_imported_from_entry_point(File file) {
     importer.getParent() = file.getParent() and
     exists(ImportExpr i | i.getLocation().getFile() = importer and i.getName() = file.getStem())
   |
-    importer.maybeExecutedDirectly() or transitively_imported_from_entry_point(importer)
+    importer.isPossibleEntryPoint() or transitively_imported_from_entry_point(importer)
   )
 }