DOC : Remove redundant backtick (pandas-dev#17025)

Author: musically-ut

pandas/core/generic.py

@@ -3161,7 +3161,7 @@ def pipe(self, func, *args, **kwargs):
 
     _shared_docs['transform'] = ("""
     Call function producing a like-indexed %(klass)s
-    and return a %(klass)s with the transformed values`
+    and return a %(klass)s with the transformed values
 
     .. versionadded:: 0.20.0