Remove encoder taint-tracking for encoding/base32

Author: gagliardetto

ql/src/semmle/go/frameworks/stdlib/EncodingBase32.qll

@@ -14,10 +14,6 @@ module EncodingBase32 {
       // signature: func NewDecoder(enc *Encoding, r io.Reader) io.Reader
       hasQualifiedName("encoding/base32", "NewDecoder") and
       (inp.isParameter(1) and outp.isResult())
-      or
-      // signature: func NewEncoder(enc *Encoding, w io.Writer) io.WriteCloser
-      hasQualifiedName("encoding/base32", "NewEncoder") and
-      (inp.isResult() and outp.isParameter(1))
     }
 
     override predicate hasTaintFlow(FunctionInput input, FunctionOutput output) {
@@ -37,14 +33,6 @@ module EncodingBase32 {
       // signature: func (*Encoding).DecodeString(s string) ([]byte, error)
       this.hasQualifiedName("encoding/base32", "Encoding", "DecodeString") and
       (inp.isParameter(0) and outp.isResult(0))
-      or
-      // signature: func (*Encoding).Encode(dst []byte, src []byte)
-      this.hasQualifiedName("encoding/base32", "Encoding", "Encode") and
-      (inp.isParameter(1) and outp.isParameter(0))
-      or
-      // signature: func (*Encoding).EncodeToString(src []byte) string
-      this.hasQualifiedName("encoding/base32", "Encoding", "EncodeToString") and
-      (inp.isParameter(0) and outp.isResult())
     }
 
     override predicate hasTaintFlow(FunctionInput input, FunctionOutput output) {