Make the browser.py documentation more truthful

Not very useful, though...

tools/wpt/browser.py

@@ -211,7 +211,7 @@ def version(self, root):
 class Chrome(Browser):
  """Chrome-specific interface.
 
- Includes installation, webdriver installation, and wptrunner setup methods.
+ Includes webdriver installation, and wptrunner setup methods.
  """
 
  product = "chrome"
@@ -284,9 +284,9 @@ def prepare_environment(self):
 
 
 class ChromeAndroid(Browser):
- """Chrome-specific interface for android.
+ """Chrome-specific interface for Android.
 
- Includes installation, webdriver installation, and wptrunner setup methods.
+ Includes webdriver installation.
  """
 
  product = "chrome_android"
@@ -309,7 +309,7 @@ def version(self, root):
 class Opera(Browser):
  """Opera-specific interface.
 
- Includes installation, webdriver installation, and wptrunner setup methods.
+ Includes webdriver installation, and wptrunner setup methods.
  """
 
  product = "opera"
@@ -386,10 +386,7 @@ def prepare_environment(self):
 
 
 class Edge(Browser):
- """Edge-specific interface.
-
- Includes installation, webdriver installation, and wptrunner setup methods.
- """
+ """Edge-specific interface."""
 
  product = "edge"
  requirements = "requirements_edge.txt"
@@ -409,10 +406,7 @@ def version(self):
 
 
 class InternetExplorer(Browser):
- """Internet Explorer-specific interface.
-
- Includes installation, webdriver installation, and wptrunner setup methods.
- """
+ """Internet Explorer-specific interface."""
 
  product = "ie"
  requirements = "requirements_ie.txt"
@@ -432,10 +426,7 @@ def version(self):
 
 
 class Servo(Browser):
- """Servo-specific interface.
-
- Includes installation, webdriver installation, and wptrunner setup methods.
- """
+ """Servo-specific interface."""
 
  product = "servo"
  requirements = "requirements_servo.txt"
@@ -457,10 +448,7 @@ def version(self, root):
 
 
 class Sauce(Browser):
- """Sauce-specific interface.
-
- Includes installation, webdriver installation, and wptrunner setup methods.
- """
+ """Sauce-specific interface."""
 
  product = "sauce"
  requirements = "requirements_sauce.txt"