Question: What was the reason Goldie Clemmons left THe New Normal?
About the article "The New Normal (TV series)", section "Premise".

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Bryan (Andrew Rannells) and David (Justin Bartha) are a happy gay couple living in Los Angeles, with successful careers.
The only thing missing in their relationship is a baby.
They meet Goldie Clemmons, (Georgia King), a single mother and waitress from Ohio.
Goldie left her adulterous husband and moved to L.A. with her 9-year-old daughter Shania (Bebe Wood) to escape their former life and start over.
Jane (Ellen Barkin), Goldie's conservative grandmother, follows them to the city against Goldie's wishes, thus causing havoc for her granddaughter and the couple.
Goldie decides to become Bryan and David's gestational surrogate, and naturally, her family gets involved.
The New Normal is an American sitcom that aired on NBC from September 10, 2012 to April 2, 2013.
The series was created and principally written by Ryan Murphy and Ali Adler.
The storyline follows wealthy same-sex couple Bryan (Andrew Rannells) and David (Justin Bartha), who are living in Los Angeles.
Deciding to have a child, they choose a surrogate mother, Goldie Clemmons (Georgia King), who moves into their home with her 9-year-old daughter Shania (Bebe Wood).
The series aired Tuesdays at 9:30 pm Eastern/8:30 pm Central after the new comedy series "Go On", as part of the 2012–13 United States network television schedule.
On October 2, 2012, NBC commissioned a full season of "The New Normal".
"The New Normal" was officially canceled on May 11, 2013. 
  Justin Bartha as David Bartholomew Sawyer, an obstetrician  Andrew Rannells as Bryan Collins, a television producer who is the showrunner for the hit television series "Sing" (a thinly veiled spoof of series creator/showrunner Ryan Murphy's real-life television series "Glee".)
Georgia King as Goldie Clemmons, David and Bryan's surrogate.
A shy working-class waitress from Ohio, she runs off to California with her daughter Shania after finding her husband Clay in bed with another woman, and signs up to be a surrogate in hope of using the money to go to law school, though she later follow her dreams as an owner of a design store for children.
Bebe Wood as Shania Clemmons, Goldie and Clay's 9-year-old daughter.
NeNe Leakes as Rocky Rhoades, Bryan's former production assistant (P.A.)
and producer on "Sing".
Jayson Blair as Clay Clemmons, Goldie's estranged husband and Shania's father.
Ellen Barkin as Jane Forrest, Goldie's grandmother.
A staunchly Republican real-estate agent prone to making outrageously racist and homophobic statements, she follows Goldie and Shania to California and is unwilling to return to Ohio without them.  
On January 27, 2012, NBC officially ordered the project to pilot, which was co-written by co-creators/executive producers Ryan Murphy and Ali Adler, while being directed by Murphy.
Casting announcements began in January 2012, with Andrew Rannells first cast in the role of Bryan Collins, one half of the gay couple who decides to use a surrogate to have a baby.
Ellen Barkin was next cast in the series as Jane Forrest, Goldie's Republican grandmother.
Justin Bartha and Georgia King both then joined the series.
Bartha signed on to play David Bartholomew Sawyer, the other half of the aforementioned gay couple; and King joined the series as Goldie Clemmons, a cash-strapped waitress and mother, who becomes Bryan and David's surrogate.
Bebe Wood followed with her cast in the role of Shania Clemmons, Goldie and Clay's daughter.
NeNe Leakes was the last actor cast in the series as Rocky, Bryan's assistant.
On May 7, 2012, the show was picked up to series.
It premiered on September 11, 2012.
Jayson Blair originally signed on to the series as Clay Clemmons, in a recurring role.
However, after the pilot was ordered to series, Blair was then upped to series regular.
The Halloween episode "Para-New Normal Activity" was originally scheduled to air on October 30, 2012, but was pre-empted by NBC's coverage of Hurricane Sandy.
The episode was ultimately aired in March 2013. 
  "Disaster Date" (2011) - Himself  "Dateline NBC" (2004) - Guest  "The New Normal" (2012) - Clay Clemmons