Get rid of my name from TODOs. Anyone can do them.

test/string/contains.wren

@@ -5,4 +5,4 @@ io.write("something".contains("some")) // expect: true
 io.write("something".contains("ing"))  // expect: true
 io.write("something".contains("math")) // expect: false
 
-// TODO(bob): Passing non-string as argument.
+// TODO: Passing non-string as argument.

test/string/escapes.wren

@@ -4,5 +4,5 @@ io.write("\\")     // expect: \
 io.write("(\n)")   // expect: (
                    // expect: )
 
-// TODO(bob): Non-printing escapes like \t.
-// TODO(bob): Unicode escape sequences.
+// TODO: Non-printing escapes like \t.
+// TODO: Unicode escape sequences.

test/string/subscript.wren

@@ -11,14 +11,14 @@ io.write("abcd"[-2]) // expect: c
 io.write("abcd"[-1]) // expect: d
 
 // Handle out of bounds.
-// TODO(bob): Should halt the fiber or raise an error somehow.
+// TODO: Should halt the fiber or raise an error somehow.
 io.write("abcd"[4])  // expect: null
 io.write("abcd"[-5]) // expect: null
 
 // Handle wrong argument type.
-// TODO(bob): Should halt the fiber or raise an error somehow.
+// TODO: Should halt the fiber or raise an error somehow.
 io.write("abcd"[true]) // expect: null
 
 // Handle non-integer index.
-// TODO(bob): Should halt the fiber or raise an error somehow.
+// TODO: Should halt the fiber or raise an error somehow.
 io.write("abcd"[1.5]) // expect: null