Remove EventPipeController static constructor

[benaadams]

Is unnecessary work in the startup path (and doesn't get used until EventPipe is enabled)

Pre

Previous .cctor

.method private hidebysig specialname rtspecialname static 
	void .cctor () cil managed 
{
	// Method begins at RVA 0x472c8c
	// Code size 181 (0xb5)
	.maxstack 7

	IL_0000: ldc.i4.1
	IL_0001: newarr System.Char
	IL_0006: dup
	IL_0007: ldc.i4.0
	IL_0008: ldc.i4.s 44
	IL_000a: stelem.i2
	IL_000b: stsfld char[] System.Diagnostics.Tracing.EventPipeController::ProviderConfigDelimiter
	IL_0010: ldc.i4.1
	IL_0011: newarr System.Char
	IL_0016: dup
	IL_0017: ldc.i4.0
	IL_0018: ldc.i4.s 58
	IL_001a: stelem.i2
	IL_001b: stsfld char[] System.Diagnostics.Tracing.EventPipeController::ConfigComponentDelimiter
	IL_0020: ldc.i4.2
	IL_0021: newarr System.String
	IL_0026: dup
	IL_0027: ldc.i4.0
	IL_0028: ldstr "\r\n"
	IL_002d: stelem.ref
	IL_002e: dup
	IL_002f: ldc.i4.1
	IL_0030: ldstr "\n"
	IL_0035: stelem.ref
	IL_0036: stsfld string[] System.Diagnostics.Tracing.EventPipeController::ConfigFileLineDelimiters
	IL_003b: ldc.i4.3
	IL_003c: newarr System.Diagnostics.Tracing.EventPipeProviderConfiguration
	IL_0041: dup
	IL_0042: ldc.i4.0
	IL_0043: ldstr "Microsoft-Windows-DotNETRuntime"
	IL_0048: ldc.i8 20423101629
	IL_0051: ldc.i4.5
	IL_0052: ldnull
	IL_0053: newobj instance void System.Diagnostics.Tracing.EventPipeProviderConfiguration::.ctor(string, uint64, uint32, string)
	IL_0058: stelem System.Diagnostics.Tracing.EventPipeProviderConfiguration
	IL_005d: dup
	IL_005e: ldc.i4.1
	IL_005f: ldstr "Microsoft-Windows-DotNETRuntimePrivate"
	IL_0064: ldc.i4 1073872907
	IL_0069: conv.i8
	IL_006a: ldc.i4.5
	IL_006b: ldnull
	IL_006c: newobj instance void System.Diagnostics.Tracing.EventPipeProviderConfiguration::.ctor(string, uint64, uint32, string)
	IL_0071: stelem System.Diagnostics.Tracing.EventPipeProviderConfiguration
	IL_0076: dup
	IL_0077: ldc.i4.2
	IL_0078: ldstr "Microsoft-DotNETCore-SampleProfiler"
	IL_007d: ldc.i4.0
	IL_007e: conv.i8
	IL_007f: ldc.i4.5
	IL_0080: ldnull
	IL_0081: newobj instance void System.Diagnostics.Tracing.EventPipeProviderConfiguration::.ctor(string, uint64, uint32, string)
	IL_0086: stelem System.Diagnostics.Tracing.EventPipeProviderConfiguration
	IL_008b: stsfld valuetype System.Diagnostics.Tracing.EventPipeProviderConfiguration[] System.Diagnostics.Tracing.EventPipeController::DefaultProviderConfiguration
	IL_0090: ldnull
	IL_0091: stsfld class System.Diagnostics.Tracing.EventPipeController System.Diagnostics.Tracing.EventPipeController::s_controllerInstance
	IL_0096: ldc.i4.0
	IL_0097: stsfld bool System.Diagnostics.Tracing.EventPipeController::s_initializing
	IL_009c: ldc.i4.m1
	IL_009d: stsfld int32 System.Diagnostics.Tracing.EventPipeController::s_Config_EnableEventPipe
	IL_00a2: ldnull
	IL_00a3: stsfld string System.Diagnostics.Tracing.EventPipeController::s_Config_EventPipeConfig
	IL_00a8: ldc.i4.0
	IL_00a9: stsfld uint32 System.Diagnostics.Tracing.EventPipeController::s_Config_EventPipeCircularMB
	IL_00ae: ldnull
	IL_00af: stsfld string System.Diagnostics.Tracing.EventPipeController::s_Config_EventPipeOutputPath
	IL_00b4: ret
} // end of method EventPipeController::.cctor

Post

/cc @jkotas @vancem @brianrob

Contributes to https://github.com/dotnet/corefx/issues/34283#issuecomment-451015598

[benaadams]

@dotnet-bot test Ubuntu arm Cross Checked no_tiered_compilation_innerloop Build and Test

[benaadams]

@dotnet-bot test OSX10.12 x64 Checked Innerloop Build and Test