[MINOR][DOCS] Fixes two problems in the SQL programing guide page

## What changes were proposed in this pull request?

Removed duplicated lines in sql python example and found a typo.

## How was this patch tested?

Searched for other typo's in the page to minimize PR's.

Author: Boaz Mohar <boazmohar@gmail.com>

Closes #17066 from boazmohar/doc-fix.

docs/sql-programming-guide.md

@@ -1410,7 +1410,7 @@ Thrift JDBC server also supports sending thrift RPC messages over HTTP transport
 Use the following setting to enable HTTP mode as system property or in `hive-site.xml` file in `conf/`:
 
     hive.server2.transport.mode - Set this to value: http
-    hive.server2.thrift.http.port - HTTP port number fo listen on; default is 10001
+    hive.server2.thrift.http.port - HTTP port number to listen on; default is 10001
     hive.server2.http.endpoint - HTTP endpoint; default is cliservice
 
 To test, use beeline to connect to the JDBC/ODBC server in http mode with:

examples/src/main/python/sql/basic.py

@@ -187,9 +187,6 @@ def programmatic_schema_example(spark):
     # Creates a temporary view using the DataFrame
     schemaPeople.createOrReplaceTempView("people")
 
-    # Creates a temporary view using the DataFrame
-    schemaPeople.createOrReplaceTempView("people")
-
     # SQL can be run over DataFrames that have been registered as a table.
     results = spark.sql("SELECT name FROM people")