remove redundant fromSource calls

Co-authored-by: @tausbn <tausbn@github.com>

Author: Stephan Brandauer

java/ql/automodel/src/AutomodelFrameworkModeCharacteristics.qll

@@ -30,14 +30,12 @@ newtype TFrameworkModeEndpoint =
   TOverridableParameter(Method m, Parameter p) {
     p.getCallable() = m and
     m instanceof ModelExclusions::ModelApi and
-    m.fromSource() and
     not m.getDeclaringType().isFinal() and
     not m.isFinal() and
     not m.isStatic()
   } or
   TOverridableQualifier(Method m) {
     m instanceof ModelExclusions::ModelApi and
-    m.fromSource() and
     not m.getDeclaringType().isFinal() and
     not m.isFinal() and
     not m.isStatic()