[lldb] Remove python helper getCompilerBinary()

lldb/packages/Python/lldbsuite/test/lldbplatformutil.py

@@ -266,17 +266,13 @@ def getCompiler():
     return module.getCompiler()
 
 
-def getCompilerBinary():
-    """Returns the compiler binary the test suite is running with."""
-    return getCompiler().split()[0]
-
-
 def getCompilerVersion():
     """Returns a string that represents the compiler version.
     Supports: llvm, clang.
     """
-    compiler = getCompilerBinary()
-    version_output = subprocess.check_output([compiler, "--version"], errors="replace")
+    version_output = subprocess.check_output(
+        [getCompiler(), "--version"], errors="replace"
+    )
     m = re.search("version ([0-9.]+)", version_output)
     if m:
         return m.group(1)

lldb/packages/Python/lldbsuite/test/lldbtest.py

@@ -1379,10 +1379,6 @@ def getCompiler(self):
         """Returns the compiler in effect the test suite is running with."""
         return lldbplatformutil.getCompiler()
 
-    def getCompilerBinary(self):
-        """Returns the compiler binary the test suite is running with."""
-        return lldbplatformutil.getCompilerBinary()
-
     def getCompilerVersion(self):
         """Returns a string that represents the compiler version.
         Supports: llvm, clang.