Docsting and variable name mismatch and unnecessary docstting specification

[HemangChothani]

• Parameter pass row_key_prefix in function but in doc-string declared row_prefix

python-bigtable/google/cloud/bigtable/table.py

Lines 728 to 738 in 1d92cc2

	def drop_by_prefix(self, row_key_prefix, timeout=None):
	"""
	For example:
	.. literalinclude:: snippets_table.py
	:start-after: [START bigtable_drop_by_prefix]
	:end-before: [END bigtable_drop_by_prefix]
	:type row_prefix: bytes
	:param row_prefix: Delete all rows that start with this row key

• Typo column_failies

python-bigtable/google/cloud/bigtable/table.py

Lines 361 to 362 in 1d92cc2

	:type column_families: dict
	:param column_failies: (Optional) A map columns to create. The key is

• table.mutations_batcher() method has no parameter table but specified in docstring of function.

• instance.cluster() method has no parameter cluster but specified in docstirng of function.

• cluster.update() method has no parameter but location and serve_nodes specified in docstring of function.